#include<iostream> using namespace std; int main() { int n; cin>>n; int a[n]; for(int i=0;i<n;i++){ cin>>a[i]; } double zf=0,avg; int mx=0,mn=100; for(int i=0;i<n;i++){ zf+=a[i]; if(a[i]>mx){ mx = a[i]; } if(a[i]<mn){ mn = a[i]; } } avg=zf/n; printf("%d %.2lf %d %d",(int)zf,avg,mx,mn); return 0; }