70分求调

#include<iostream>
using namespace std;
int main() {
    int n, m;
    cin >> n >> m;
    int ans = 0;
    while (n) {
        if (n % 10 == 3) {
            ans++;
        }
         n /= 10;
    }
    if (ans == m) {
        cout << "YES";
    } else {
        cout << "NO";
    }
    return 0;
}