#include <stdio.h>

int main ( void ) {

	int nA , nB;

	int flag , buf;
	scanf ( "%d %d" , &nA , &nB );
	
	for ( int n = nA; n <= nB; n++ ){

		if ( ( n % 3 ) == 0 ) {
			printf ( "%d\n" , n );
		} else {
			flag = 0;

			buf = n;
			while ( buf > 0 ) {
				if ( ( buf % 10 ) == 3 ) {
					flag = 1;
					break;
				}
				buf /= 10;
			}
			if (flag == 1 )	printf ( "%d\n" , n );

		}
	}
	return 0;
}