switch

#include <stdio.h>
#include <stdlib.h>

int main(int argc, char *argv[])
{
    int i = atoi(argv[1]);
    int j = atoi(argv[2]);

    switch (i) {
    case 1:
    case 2: if (j % 3 == 0) {
    case 3:   puts("j % 3");
    case 4: } else if (j % 2 == 0) {
    case 5:   puts("j % 2");
    case 6: } else {
    case 7:   puts("none");
    case 8: }
    }

    return 0;
}