今年的第几天

#include <iostream>
#include <cstdio>
 using namespace std;
 int dayTab[2][13]={
     {0,31,28,31,30,31,30,31,31,30,31,30,31},
     {0,31,29,31,30,31,30,31,31,30,31,30,31}
 };

bool IsLeapYear(int year){
    return (year%4==0&&year%100!=0 )||(year%400==0);
}

int main(){
    int year,month,day;
    while(scanf("%d%d%d",&year,&month,&day)!=EOF){
        int number=0;
        int row=IsLeapYear(year);
        for(int j=0;j<month;j++)
            number+=dayTab[row][j];
        number+=day;
        printf("%d\n",number);
    }
    return 0;
}