#include<iostream>
using namespace std;
int main()
{
 int n;
 cout<<"Enter an input (Maximum 100): " ;
 cin>>n;
 cout<<"Enter "<<n<<" number."<<endl;

 int Array[100]; //Array declare.

 for (int i=0; i<n; i++)
 {
  cin>>Array[i]; //Taking input.
 }

 int sum=0;

 for(int i; i<n; i++)
 {
  sum=sum+Array[i];
 }

   cout<<"Summation of these "<<n<<" number is: "<<sum<<endl;

   float Average;
   Average=(float) sum/n ;  //Type casting.

   cout<<"Average of these "<<n<<" number is: "<<Average;

}