#include <iostream>
using namespace std;
int main(){
const int N = 30;
int a[N];
int sum,srar,s;
s=0;
sum=0;
for (int i = 1; i < N; i++){
cin >> a[i];
}
for (int i = 1; i < N; i++){
sum += a[i];
}
srar = sum / N;
for (int i = 1; i < N; i++){
if (a[i]>srar){
s += 1;
}
}
cout << s;
}