#include <bits/stdc++.h>
using namespace std;
int minn=101,maxx=-1,m,n;
double k,a,b;
int main()
{
    scanf("%d",&n);
    int x;
    for(int i=1;i<=n;i++)
    {
        scanf("%d",&x);
        maxx=max(maxx,x);
        minn=min(minn,x);
        m+=x;
    }
    a=m;
    b=n;
    k=a/b;
    //cout<<m<<" "<<n<<endl;
    printf("%d\n%d\n%llf",maxx,minn,k);
    return 0;
}