Lang:G++
Edit123456789101112131415#include<iostream>using namespace std;bool qz(int x){for(int i=2;i<=x/2+1;i++)if(x%i==0)return 0;return 1;}int main(){int n;cin>>n;for(int i=2;i<=n;i++)if(qz(i))if(qz(n-i)){cout<<i<<" "<<n-i<<endl;return 0;}}