#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 n,a[101]={},max=0,min=101,s=0; double p; cin>>n; for(int i=0;i<n;i++){ cin>>a[i]; s+=a[i]; if(max<a[i])max=a[i]; if(min>a[i])min=a[i]; } p=s*1.0/n; printf("%d %.2lf %d %d",s,p,max,min); return 0; }