poj 3117 World Cup

#include <iostream>#include <cstdio>#include <cstdlib>#include <cstring>using namespace std;int main(){    int n, t;    while (scanf("%d%d", &t, &n) != EOF && !(t == 0 && n == 0))    {        int sum = 0;        getchar();        for (int i = 0; i < t; i++)        { string st; int a; cin >> st; scanf("%d", &a); sum += a; getchar();        }        printf("%dn", 3 * n - sum);    }    return 0;}