#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int a[99]; double maxz; int n,man=0,maian=0,minm=100; cin>>n; for(int z=0;z<n;z++){ cin>>a[z]; } for(int z=0;z<n;z++){ man+=a[z]; if(a[z]>maian) maian=a[z]; if(a[z]<minm) minm=a[z]; } maxz=(double)man/n; cout<<man<<" "; printf("%.2lf",maxz); cout<<" "<<maian<<" "<<minm<<" "; return 0; }