#include <iostream.h>

int main()
{
  int num1, num2, num3;
  float average;

  cout << "Enter three integer numbers: ";
  cin  >> num1 >> num2 >> num3;
  average =  (num1 + num2 + num3) / 3.0;
  cout << "The average of the numbers is " << average << endl;

  return 0;
}