/*
 * express1.c
 */
#include <stdio.h>
#define FOREVER while(1)

int main(void)
{
  int num;
  FOREVER
  {
    printf("Program determines if integer is odd or even\n");
    printf("Enter zero to exit \n");
    printf("Enter an integer: ");
    scanf("%d", &num);

    if(!num)
    {
      printf("Please enter a none-zero integer!\n");
      break;
    }
    if( !(num%2) )
      printf("%d is even\n", num);
    else
      printf("%d is odd\n", num);
  } 
  return 0;
}