#include <fstream>
using namespace std;
int main(){
    //ciclu infinit for the win !!!!!!!!!!!!!!!
    freopen( "adunare.in", "r", stdin );
    freopen( "adunare.out", "w", stdout );
    int a, b;
    scanf( "%d%d", &a, &b );
    while(1) {
        ;
    }
    return 0;
}