#include<iostream> #include<cstdio> using namespace std; int main(){ int m,i,sum=0,max=0,min=114514; double c; cin>>m; int a[m]; for(i=1;i<=m;i++){ cin>>a[i]; sum+=a[i]; if(a[i]>max){ max=a[i]; } if(a[i]<min){ min=a[i]; } } c=sum*1.0/m; printf("%d %.2lf %d %d",sum,c,max,min); return 0; }