#include<bits/stdc++.h>
using namespace std;
int main(){
	int a[500],n,c=0,m=0,p=0;
	cin>>n;
	for(int i=1;i<=n;i++){
		cin>>a[i];
		c=c+a[i];
	}
	int v=c/n;
	sort(a+1,a+1+n);
//	for(int i=1;i<=n;i++){
//		cout<<a[i]<<" ";
//	}
   for(int i=1;i<=n;i++){
   	  if(a[i]!=v){
   	  	m++;
   	  	p=v-a[i];
   	  	a[i+1]-=p;
   	  	a[i]=v;
   	  }
   } 
   cout<<m;


	return 0;
}



/**************************************************************
	Problem: 1371
	User: laichenxu
	Language: C++
	Result: Wrong Answer
****************************************************************/