#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[100],c=0,max=0,mi=100; double b; cin>>n; for(int i=0;i<n;i++){ cin>>a[i]; if(a[i]>max) max=a[i]; if(a[i]<mi) mi=a[i]; c+=a[i]; } cout<<c<<" "; b=c*1.0/n; printf("%.2lf ",b); cout<<max<<" "<<mi; return 0; }