#include <iostream.h>

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

int main()
{
  int firstnum, secnum;

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

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

  return 0;
}

// following is the function FindMax()

void 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;

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

  return;
}  // end of function body and end of function