#include <iostream>

using std::cout;
using std::cin;
using std::endl;

int main()
{
   int first=0;
   int sum=0;
   int count=0;
   cout << "Enter the number: ";
   cin >> first;

   while(true){
    cout << "Enter the number: ";
    int number=0;
    cin >> number;

    if (number==0)
       break;
    if(number<=first)
        continue;

    sum+=number;
    ++count;
   }
   if(count==0){
   cout << "ERROR, number of = 0";
   return 0;
   }
   else
   cout << sum/1+count*1.0 << endl;

    return 0;
}