่งฃๆณไธ
โ ๅฎๆดไปฃ็ขผ
่ฉๅ็ตๆ(ๅ่) ๏ผ AC (2ms, 328KB)
#include <bits/stdc++.h>
using namespace std;
int main(){
ios::sync_with_stdio(false);
cin.tie(nullptr);
int n = 0;
while(cin >> n){
int score;
int sum = 0;
for(int i=0; i<n; i++){
cin >> score;
sum += score;
}
if(sum*1.0/n > 59) cout << "no\n";
else cout << "yes\n";
}
return 0;
}