#include <stdio.h>
main ()
{
    int factorial; /* current factorial value */
    
    factorial = 1;  /* let's start at 1 */

    printf("1! = %i \n", factorial);

    /* second factorial */
    factorial = factorial * 2;
    printf("2! = %i \n", factorial);

    /* third factorial */
    factorial = factorial * 3;
    printf("3!  = %i \n", factorial);

    /* fourth factorial */
    factorial = factorial * 4;
    printf("4! = %i \n", factorial);

    /* fifth factorial */
    factorial = factorial * 5;
    printf("5! = %i \n", factorial);

    return (0);

}