Contest1472/H.cpp

#include<bits/stdc++.h>
using namespace std;
inline bool leap(int y) {
    return y % 4 == 0 && y % 100 != 0 || y % 400 == 0;
}
int day(int n) {
    if (n == 1 || n == 3 || n == 5 || n == 7 || n == 8 || n == 10 || n == 12) {
        return 31;
    }
    if (n == 2) {
        return 28;
    }
    return 30;
}
inline int f(int y, int m, int d) {
    for (int i = 1; i < m; i++) {
        d += day(i);
    }
    if (leap(y) && m > 2) {
        d++;
    }
    return d;
}
int main() {
    int y, m, d;
    cin >> y >> m >> d;
    cout << f(y, m, d);
    return 0;
}