#include <stdio.h>
main ( )
{
    int num_input, i, j, k;
    printf ("Enter three values: ");
    num_input = scanf ("%d %d %d", &i, &j, &k);
    while (num_input < 3)
        {
            while (getchar ( ) != '\n')
                 {
                  }
            printf ( "You only typed %d values correctly.\n", num_input);
            printf ("Try again: ");
            num_input = scanf (%d %d %d", &i, &j, &k);
         }
    printf ( "Your correct input was %d, %d, and %d\n", i, j, k);
}