#include <iostream.h>

int FindMax(int, int);  // the function prototype

int main()
{
  int firstnum, secnum, max;

  cout << "\nEnter a number: ";
  cin  >> firstnum;
  cout << "Great! Please enter a second number: ";
  cin  >> secnum;

  max = FindMax(firstnum, secnum); // the function is called here

  cout << "\nThe maximum of the two numbers is " << max << endl;

  return 0;
}

int FindMax(int x, int y)
{                    // start of function body
  int maxnum;        // variable declaration

  if (x >= y)        // find the maximum number
    maxnum = x;
  else
    maxnum = y;

  return maxnum;     // return statement
}