#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 i,b[101],n,m=0,s=100000; double a=0,p; cin>>n; for(i=1;i<=n;i++){ cin>>b[i]; a+=b[i]; if(b[i]>m){ m=b[i]; } if(b[i]<s){ s=b[i]; } } p=a*1.0/n; cout<<a<<" "; printf("%.2lf",p); cout<<" "<<m<<" "<<s; return 0; }