#include<iostream> using namespace std; int main(){ int n; int a[101],sumi=0,maxi=0,mini=101; cin>>n; for(int i =0;i <n;i ++){ cin>>a[i]; sumi +=a[i]; if (maxi < a[i]) maxi = a[i]; if(mini > a[i]) mini = a[i]; } printf("%d %.2lf %d %d",sumi,sumi * 1.0/n,maxi,mini); return 0; }