#include<bits/stdc++.h>
using namespace std;
int main(){
  int n[10]={0};
  int i=0,x,m=0;
  float b=0;
  cin>>x;
  for(i;i<x;i++){
  cin>>n[i];
  b=b+n[i];
  } 
  b=b/x;
  printf("AVE=%.1f\n",b);
  
  for(i=1;i<=x;i++){
  if(n[i-1]>b){
  cout<<i<<": "<<n[i-1]<<" ";
  
  }
}
  return 0;
}
/**************************************************************
	Problem: 1155
	User: wtq001
	Language: C
	Result: Compile Error
****************************************************************/