#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(){ double n,a[100],x=0,y=0,s=100000,z=0; cin>>n; for(int i=0;i<n;i++){ cin>>a[i]; x+=a[i]; }y=x/n; for(int i=0;i<n;i++){ if(a[i]>z){ z=a[i]; } if(a[i]<s){ s=a[i]; } } cout<<x<<" "; printf("%.2lf",y); cout<<" "<<z<<" "<<s; return 0; }