#include <iostream> using namespace std; int main() { int a, b, c, count = 0; cin >> a >> b >> c; count += (a % 400 == 0 || (a % 100 != 0 && a % 4 == 0)) ? 1 : 0; count += (b % 400 == 0 || (b % 100 != 0 && b % 4 == 0)) ? 1 : 0; count += (c % 400 == 0 || (c % 100 != 0 && c % 4 == 0)) ? 1 : 0; cout << count; return 0; }