#include <stdio.h>

main() {
    long A, B;
    
    scanf("%ld %ld", &A, &B);
    
    for (long i=A; i<=B; i++) {
        if ((i%3 == 0) ||
            (i%10 == 3) ||
            ((i/10)%10 == 3) ||
            ((i/100)%10 == 3) ||
            ((i/1000)%10 == 3) ||
            ((i/10000)%10 == 3) ||
            ((i/100000)%10 == 3) ||
            ((i/1000000)%10 == 3) ||
            ((i/10000000)%10 == 3) ||
            ((i/100000000)%10 == 3) ||
            ((i/1000000000)%10 == 3))
            printf("%d\n", i);
    }
}