const isPrime = (n) =>{ if(n >= 2){ for(let i = 2; i < n/2; i++){ if(n % i === 0){ return false; } } return true; }else{ return false; } } const judge = (n) =>{ for(let i = n/2;i < n;i++){ let j = n - i; if(isPrime(i) && isPrime(j)){ console.log(j + '\n' + i); break; } } } const readline = require('readline'); const rl = readline.createInterface({ input: process.stdin, ouput: process.stdout }) rl.on('line',(line)=>{ return judge(line) })