#include <cstdio>
#include <cstdlib>
using namespace std;

int main()
{
    freopen("podm.in", "r", stdin);
    freopen("podm.out", "w", stdout);
    int N, X, i;
    scanf("%i", &N);
    for(i = 1; i <= N + 1; i++) scanf("%i", &X);
    for(i = 1; i <= 85000000; i++);
    printf("0\n");
    return 0;
}