3

#include<bits/stdc++.h>
using namespace std;
int main()
{
int n,a[100005],sum;
float av=0;
cin>>n;
for(int i =1;i<=n;i++){
cin >>a[i];
sum += a[i];
}
av =float(sum)/n;
printf("%s=%.1f\n","AV",av);
for(int i =1;i<=n;i++){
if(a[i]>av) cout<<i<<":"<<a[i]<<" ";
}
}