#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 a[101],n,z=0,max=0,min=101; double j; cin>>n; for(int i=1;i<=n;i++){ cin>>a[i]; if(a[i]>max){ max=a[i]; } if(a[i]<min){ min=a[i]; } z+=a[i]; } j=z*1.0/n; cout<<z<<" "; printf("%.2lf ",j); cout<<max<<" "<<min; return 0; }