#include    <stdio.h>

static void solve(long a, long b);
static long judge(long x);

int main(void)
{
    long    a, b;

    scanf("%ld%ld", &a, &b);
    solve(a, b);
    return 0;
}

static void solve(long a, long b)
{
    for (; a <= b; a++) {
        if (judge(a)) {
            printf("%ld\n", a);
        }
    }
    return;
}

static long judge(long x)
{
    long    d;

    if ((x % 3) == 0) {
        return x;
    }

    for (d = x; d != 0; d /= 10) {
        if ((d % 10) == 3) {
            return x;
        }
    }

    return 0;
}