a004: 文文的求婚 FYI: https://yunlinsong.blogspot.com/2016/01/blog-post_95.html

a004.cpp

#include <iostream>
using namespace std;

int main() {	
	short y;
    while(cin >> y){
		y = (y % 4 == 0 && y % 100 != 0) || (y % 400 == 0);
		cout << (y == 1?"閏年":"平年") << endl;
    }
    return 0;
}