#include <stdio.h>
int e[150];
void precalcul()
{
	e[1]=10;
e[2]=100;
e[3]=101;
e[4]=110;
e[5]=1000;
e[6]=1001;
e[7]=1010;
e[8]=1011;
e[9]=1100;
e[10]=1101;
e[11]=1110;
e[12]=10000;
e[13]=10001;
e[14]=10010;
e[15]=10011;
e[16]=10100;
e[17]=10101;
e[18]=10110;
e[19]=10111;
e[20]=11000;
e[21]=11001;
e[22]=11010;
e[23]=11011;
e[24]=11100;
e[25]=11101;
e[26]=11110;
e[27]=100000;
e[28]=100001;
e[29]=100010;
e[30]=100011;
e[31]=100100;
e[32]=100101;
e[33]=100110;
e[34]=100111;
e[35]=101000;
e[36]=101001;
e[37]=101010;
e[38]=101011;
e[39]=101100;
e[40]=101101;
e[41]=101110;
e[42]=101111;
e[43]=110000;
e[44]=110001;
e[45]=110010;
e[46]=110011;
e[47]=110100;
e[48]=110101;
e[49]=110110;
e[50]=110111;
e[51]=111000;
e[52]=111001;
e[53]=111010;
e[54]=111011;
e[55]=111100;
e[56]=111101;
e[57]=111110;
e[58]=1000000;
e[59]=1000001;
e[60]=1000010;
e[61]=1000011;
e[62]=1000100;
e[63]=1000101;
e[64]=1000110;
e[65]=1000111;
e[66]=1001000;
e[67]=1001001;
e[68]=1001010;
e[69]=1001011;
e[70]=1001100;
e[71]=1001101;
e[72]=1001110;
e[73]=1001111;
e[74]=1010000;
e[75]=1010001;
e[76]=1010010;
e[77]=1010011;
e[78]=1010100;
e[79]=1010101;
e[80]=1010110;
e[81]=1010111;
e[82]=1011000;
e[83]=1011001;
e[84]=1011010;
e[85]=1011011;
e[86]=1011100;
e[87]=1011101;
e[88]=1011110;
e[89]=1011111;
e[90]=1100000;
e[91]=1100001;
e[92]=1100010;
e[93]=1100011;
e[94]=1100100;
e[95]=1100101;
e[96]=1100110;
e[97]=1100111;
e[98]=1101000;
e[99]=1101001;
e[100]=1101010;
e[101]=1101011;
e[102]=1101100;
e[103]=1101101;
e[104]=1101110;
e[105]=1101111;
e[106]=1110000;
e[107]=1110001;
e[108]=1110010;
e[109]=1110011;
e[110]=1110100;
e[111]=1110101;
e[112]=1110110;
e[113]=1110111;
e[114]=1111000;
e[115]=1111001;
e[116]=1111010;
e[117]=1111011;
e[118]=1111100;
e[119]=1111101;
e[120]=1111110;
e[121]=1111111;
}
int main()
{
	freopen("multiplu.in","r",stdin);
	freopen("multiplu.out","w",stdout);
	int a,b,i;
	precalcul();
	scanf("%d%d",&a,&b);
	for (i=1; i<=121; i++)
		if (e[i]%a==0 && e[i]%b==0)
		{
			printf("%d",e[i]);
			break;
		}
	return 0;
}