#include<iostream> #include<cstdio> using namespace std; int main(){ /* int n,c,b; cin>>n; int a[n]; for(int i=0;i<=n-1;i++){ cin>>a[i]; } cin>>c; cin>>b; a[c-1]=b; for(int i=0;i<=n-1;i++){ cout<<a[i]<<' '; } */ /* int n,c,b; cin>>n; int a[n]; for(int i=0;i<=n-1;i++){ cin>>a[i]; if(a[i]>100){ c=i; } } cin>>b; a[c]=b; for(int i=0;i<=n-1;i++){ cout<<a[i]<<' '; } */ int n,sum=0,z,x; cin>>n; int a[n]; for(int i=0;i<=n-1;i++){ cin>>a[i]; sum+=a[i]; } z=a[0]; x=a[0]; for(int i=1;i<=n-1;i++){ if(a[i]>z){ z=a[i]; }else if(a[i]<x){ x=a[i]; } } printf("%d %.2f %d %d",sum,sum*1.0/n,z,x); return 0; }