#include <stdio.h>

int Count;

for (Count = 0; Count < 4; Count++)
{
    printf("%d\n", Count);
    switch (Count)
    {
        case 1:
            printf("%d\n", 1);
	    break;

        case 2:
            printf("%d\n", 2);
	    break;

        default:
            printf("%d\n", 0);
            break;
    }
}