+<p>이모지는 하나의 콜론(<code>:</code>)으로 시작해서 하나의 콜론으로 끝나며, 콜론 사이의 문자들은 모두 영어 소문자 혹은 언더바(<code>_</code>) 중 하나로 주어진다. sait2000은 이모지의 입력 난이도를 <mjx-container class="MathJax" jax="CHTML" style="font-size: 99.9%; position: relative;"><mjx-math class="MJX-TEX" aria-hidden="true"><mjx-mo class="mjx-n"><mjx-c class="mjx-c28"></mjx-c></mjx-mo><mjx-mtext class="mjx-n"><mjx-utext variant="normal" style="font-size: 90.1%; padding: 0.833em 0px 0.222em; font-family: MJXZERO, serif;">이</mjx-utext><mjx-utext variant="normal" style="font-size: 90.1%; padding: 0.833em 0px 0.222em; font-family: MJXZERO, serif;">모</mjx-utext><mjx-utext variant="normal" style="font-size: 90.1%; padding: 0.833em 0px 0.222em; font-family: MJXZERO, serif;">지</mjx-utext><mjx-utext variant="normal" style="font-size: 90.1%; padding: 0.833em 0px 0.222em; font-family: MJXZERO, serif;">의</mjx-utext><mjx-c class="mjx-c20"></mjx-c><mjx-utext variant="normal" style="font-size: 90.1%; padding: 0.833em 0px 0.222em; font-family: MJXZERO, serif;">전</mjx-utext><mjx-utext variant="normal" style="font-size: 90.1%; padding: 0.833em 0px 0.222em; font-family: MJXZERO, serif;">체</mjx-utext><mjx-c class="mjx-c20"></mjx-c><mjx-utext variant="normal" style="font-size: 90.1%; padding: 0.833em 0px 0.222em; font-family: MJXZERO, serif;">길</mjx-utext><mjx-utext variant="normal" style="font-size: 90.1%; padding: 0.833em 0px 0.222em; font-family: MJXZERO, serif;">이</mjx-utext></mjx-mtext><mjx-mo class="mjx-n"><mjx-c class="mjx-c29"></mjx-c></mjx-mo><mjx-mo class="mjx-n" space="3"><mjx-c class="mjx-c2B"></mjx-c></mjx-mo><mjx-mo class="mjx-n" space="3"><mjx-c class="mjx-c28"></mjx-c></mjx-mo><mjx-mtext class="mjx-n"><mjx-utext variant="normal" style="font-size: 90.1%; padding: 0.833em 0px 0.222em; font-family: MJXZERO, serif;">콜</mjx-utext><mjx-utext variant="normal" style="font-size: 90.1%; padding: 0.833em 0px 0.222em; font-family: MJXZERO, serif;">론</mjx-utext><mjx-utext variant="normal" style="font-size: 90.1%; padding: 0.833em 0px 0.222em; font-family: MJXZERO, serif;">의</mjx-utext><mjx-c class="mjx-c20"></mjx-c><mjx-utext variant="normal" style="font-size: 90.1%; padding: 0.833em 0px 0.222em; font-family: MJXZERO, serif;">개</mjx-utext><mjx-utext variant="normal" style="font-size: 90.1%; padding: 0.833em 0px 0.222em; font-family: MJXZERO, serif;">수</mjx-utext></mjx-mtext><mjx-mo class="mjx-n"><mjx-c class="mjx-c29"></mjx-c></mjx-mo><mjx-mo class="mjx-n" space="3"><mjx-c class="mjx-c2B"></mjx-c></mjx-mo><mjx-mo class="mjx-n" space="3"><mjx-c class="mjx-c28"></mjx-c></mjx-mo><mjx-mtext class="mjx-n"><mjx-utext variant="normal" style="font-size: 90.1%; padding: 0.833em 0px 0.222em; font-family: MJXZERO, serif;">언</mjx-utext><mjx-utext variant="normal" style="font-size: 90.1%; padding: 0.833em 0px 0.222em; font-family: MJXZERO, serif;">더</mjx-utext><mjx-utext variant="normal" style="font-size: 90.1%; padding: 0.833em 0px 0.222em; font-family: MJXZERO, serif;">바</mjx-utext><mjx-utext variant="normal" style="font-size: 90.1%; padding: 0.833em 0px 0.222em; font-family: MJXZERO, serif;">의</mjx-utext><mjx-c class="mjx-c20"></mjx-c><mjx-utext variant="normal" style="font-size: 90.1%; padding: 0.833em 0px 0.222em; font-family: MJXZERO, serif;">개</mjx-utext><mjx-utext variant="normal" style="font-size: 90.1%; padding: 0.833em 0px 0.222em; font-family: MJXZERO, serif;">수</mjx-utext></mjx-mtext><mjx-mo class="mjx-n"><mjx-c class="mjx-c29"></mjx-c></mjx-mo><mjx-mo class="mjx-n" space="3"><mjx-c class="mjx-cD7"></mjx-c></mjx-mo><mjx-mn class="mjx-n" space="3"><mjx-c class="mjx-c35"></mjx-c></mjx-mn></mjx-math><mjx-assistive-mml unselectable="on" display="inline"><math xmlns="http://www.w3.org/1998/Math/MathML"><mo stretchy="false">(</mo><mtext>이모지의 전체 길이</mtext><mo stretchy="false">)</mo><mo>+</mo><mo stretchy="false">(</mo><mtext>콜론의 개수</mtext><mo stretchy="false">)</mo><mo>+</mo><mo stretchy="false">(</mo><mtext>언더바의 개수</mtext><mo stretchy="false">)</mo><mo>×</mo><mn>5</mn></math></mjx-assistive-mml><span aria-hidden="true" class="no-mathjax mjx-copytext">$(\text{이모지의 전체 길이}) +(\text{콜론의 개수}) +(\text{언더바의 개수})\times 5$</span></mjx-container>로 정의했다. 이 정의에 따르면 <code>:chino_shock:</code>의 전체 길이는 <mjx-container class="MathJax" jax="CHTML" style="font-size: 99.9%; position: relative;"><mjx-math class="MJX-TEX" aria-hidden="true"><mjx-mn class="mjx-n"><mjx-c class="mjx-c31"></mjx-c><mjx-c class="mjx-c33"></mjx-c></mjx-mn></mjx-math><mjx-assistive-mml unselectable="on" display="inline"><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>13</mn></math></mjx-assistive-mml><span aria-hidden="true" class="no-mathjax mjx-copytext">$13$</span></mjx-container>이고 콜론이 <mjx-container class="MathJax" jax="CHTML" style="font-size: 99.9%; position: relative;"><mjx-math class="MJX-TEX" aria-hidden="true"><mjx-mn class="mjx-n"><mjx-c class="mjx-c32"></mjx-c></mjx-mn></mjx-math><mjx-assistive-mml unselectable="on" display="inline"><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>2</mn></math></mjx-assistive-mml><span aria-hidden="true" class="no-mathjax mjx-copytext">$2$</span></mjx-container>개, 언더바가 <mjx-container class="MathJax" jax="CHTML" style="font-size: 99.9%; position: relative;"><mjx-math class="MJX-TEX" aria-hidden="true"><mjx-mn class="mjx-n"><mjx-c class="mjx-c31"></mjx-c></mjx-mn></mjx-math><mjx-assistive-mml unselectable="on" display="inline"><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>1</mn></math></mjx-assistive-mml><span aria-hidden="true" class="no-mathjax mjx-copytext">$1$</span></mjx-container>개이므로 입력 난이도가 <mjx-container class="MathJax" jax="CHTML" style="font-size: 99.9%; position: relative;"><mjx-math class="MJX-TEX" aria-hidden="true"><mjx-mn class="mjx-n"><mjx-c class="mjx-c31"></mjx-c><mjx-c class="mjx-c33"></mjx-c></mjx-mn><mjx-mo class="mjx-n" space="3"><mjx-c class="mjx-c2B"></mjx-c></mjx-mo><mjx-mn class="mjx-n" space="3"><mjx-c class="mjx-c32"></mjx-c></mjx-mn><mjx-mo class="mjx-n" space="3"><mjx-c class="mjx-c2B"></mjx-c></mjx-mo><mjx-mn class="mjx-n" space="3"><mjx-c class="mjx-c31"></mjx-c></mjx-mn><mjx-mo class="mjx-n" space="3"><mjx-c class="mjx-cD7"></mjx-c></mjx-mo><mjx-mn class="mjx-n" space="3"><mjx-c class="mjx-c35"></mjx-c></mjx-mn><mjx-mo class="mjx-n" space="4"><mjx-c class="mjx-c3D"></mjx-c></mjx-mo><mjx-mn class="mjx-n" space="4"><mjx-c class="mjx-c32"></mjx-c><mjx-c class="mjx-c30"></mjx-c></mjx-mn></mjx-math><mjx-assistive-mml unselectable="on" display="inline"><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>13</mn><mo>+</mo><mn>2</mn><mo>+</mo><mn>1</mn><mo>×</mo><mn>5</mn><mo>=</mo><mn>20</mn></math></mjx-assistive-mml><span aria-hidden="true" class="no-mathjax mjx-copytext">$13+2+1\times 5=20$</span></mjx-container>이 된다.</p>
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