#include <stdio.h>
#define NMax 255

long long A, B;
long long m[NMax] = { 1,10,11,100,101,110,111,1000,1001,1010,1011,1100,1101,1110,1111,10000,10001,10010,10011,10100,10101,10110,10111,11000,11001,11010,11011,11100,11101,11110,11111,100000,100001,100010,100011,100100,100101,100110,100111,101000,101001,101010,101011,101100,101101,101110,101111,110000,110001,110010,110011,110100,110101,110110,110111,111000,111001,111010,111011,111100,111101,111110,111111,1000000,1000001,1000010,1000011,1000100,1000101,1000110,1000111,1001000,1001001,1001010,1001011,1001100,1001101,1001110,1001111,1010000,1010001,1010010,1010011,1010100,1010101,1010110,1010111,1011000,1011001,1011010,1011011,1011100,1011101,1011110,1011111,1100000,1100001,1100010,1100011,1100100,1100101,1100110,1100111,1101000,1101001,1101010,1101011,1101100,1101101,1101110,1101111,1110000,1110001,1110010,1110011,1110100,1110101,1110110,1110111,1111000,1111001,1111010,1111011,1111100,1111101,1111110,1111111,10000000,10000001,10000010,10000011,10000100,10000101,10000110,10000111,10001000,10001001,10001010,10001011,10001100,10001101,10001110,10001111,10010000,10010001,10010010,10010011,10010100,10010101,10010110,10010111,10011000,10011001,10011010,10011011,10011100,10011101,10011110,10011111,10100000,10100001,10100010,10100011,10100100,10100101,10100110,10100111,10101000,10101001,10101010,10101011,10101100,10101101,10101110,10101111,10110000,10110001,10110010,10110011,10110100,10110101,10110110,10110111,10111000,10111001,10111010,10111011,10111100,10111101,10111110,10111111,11000000,11000001,11000010,11000011,11000100,11000101,11000110,11000111,11001000,11001001,11001010,11001011,11001100,11001101,11001110,11001111,11010000,11010001,11010010,11010011,11010100,11010101,11010110,11010111,11011000,11011001,11011010,11011011,11011100,11011101,11011110,11011111,11100000,11100001,11100010,11100011,11100100,11100101,11100110,11100111,11101000,11101001,11101010,11101011,11101100,11101101,11101110,11101111,11110000,11110001,11110010,11110011,11110100,11110101,11110110,11110111,11111000,11111001,11111010,11111011,11111100,11111101,11111110,11111111 };

int main()
{
	int i;
	FILE *f = fopen( "multiplu.in", "rt" );
	FILE *g = fopen( "multiplu.out", "wt" );

	fscanf( f, "%ld %ld", &A, &B );
	for (i=1; i<NMax; i++)
		if ( m[i] % A == 0 && m[i] % B == 0 )
		{
			fprintf( g, "%ld\n", m[i] );
			break;
		}
	return 0;
}