#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 n,a[105],s=0,max_n=-100,min_n=105; double p=0; int main(){ scanf("%d",&n); for(int i=1;i<=n;i++){ cin>>a[i]; if(a[i]<min_n) min_n=a[i]; if(a[i]>max_n) max_n=a[i]; s=s+a[i]; } p=s*1.0/n; printf("%d %.2lf %d %d\n",s,p,max_n,min_n); return 0; }