#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 p=0; int n=0,z=0,max=-1,min=100; int a[100]; cin>>n; for(int i=1;i<=n;i++) cin>>a[i]; for(int i=1;i<=n;i++){ z=z+a[i]; p=p+a[i]; if(max<a[i]) max=a[i]; if(min>a[i]) min=a[i]; } cout<<z<<" "; p=p/n; printf("%.2lf",p); cout<<" "<<max<<" "<<min; return 0; }