const sort = (s) =>{
let cs = s.sort();
cs.forEach(i=>{
console.log(i)
})
}
const readline = require('readline');
const rl = readline.createInterface({
input:process.stdin,
output:process.stdout
});
let arr = [];
rl.on('line',(line)=>{
arr.push(line)
})
rl.on('close',()=>{
return sort(arr.slice(1))
})

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