#include <cstdio> using namespace std; int a[105]; int main() { int n,num=0,max=0,min=1e9; scanf("%d",&n); for(int i=1;i<=n;i++) { scanf("%d",&a[i]); num+=a[i]; if(a[i]>max) max=a[i]; else if(a[i]<min) min=a[i]; } double top=1.0*num/n; printf("%d %.2lf %d %d",num,top,max,min); return 0; }