#include <iostream>
using namespace std;
int i,x,nr,n;
float s,ma;
int main()
{
s=0;
nr=0;
cout<<"n=";cin>>n;
for(i=1;i<=n;i++)
{cout<<"x=";cin>>x;
s+=x;
nr++;}
if(nr==0)
cout<<"nu exista";
else cout<<"Media aritmetica="<<s/nr<<endl;
cout<<"Suma="<<s;
return 0;
}