题目传送门 今天不写分析 AC code

#include <iostream>
using namespace std;

int main() {
    long long a, b;
    cin >> a >> b;
    
    if (a % 5 == 0 || b % 5 == 0) {
        cout << "Yes";
    } else {
        cout << "No";
    }
    
    return 0;
}

AC 记录