好题解

题目十分简单，3个if else就可以

#include <iostream>
using namespace std;

int main() {
    int A, B;
    cin >> A >> B;
    if (A <= 5) {
        cout << 0 << endl;
    } else if (A <= 12) {
        cout << B / 2 << endl;
    } else {
        cout << B << endl;
    }

    return 0;
}