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Jeongeunยท2023๋…„ 3์›” 6์ผ
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๐Ÿ’Š ์‚ฝ์ž… ์ •๋ ฌ์„ ์‚ฌ์šฉํ•ด๋ณด์•˜๋Š”๋ฐ ์‹œ๊ฐ„์ดˆ๊ณผ ์—๋Ÿฌ๊ฐ€ ๋ฐœ์ƒํ–ˆ๋‹ค.

const fs = require('fs'); 
const input = fs.readFileSync('/dev/stdin').toString().trim().split('\n');

input.shift();

input.sort((a, b) => (a.split(" ")[0] - b.split(" ")[0]));

const result = input.join("\n");
console.log(result);

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