poj 1082 Calendar Game

#include <iostream>#include <stdio.h>#include <stdlib.h>#include <string.h>using namespace std;int main(){    int t;    scanf("%d", &t);    while (t--)    {        int m, y, d;        scanf("%d%d%d", &y, &m, &d);        if ((m ==11|| m ==9)&& d ==30)        { printf("YESn"); continue;        }        if ((m &1) ^ (d &1))        { printf("NOn"); continue;        }        printf("YESn");    }    return 0;}