#include <cstdio>

using namespace std;
int a,b,r,c,s[2000003],i,j,d;
int main()
{freopen("multiplu.in","r",stdin);
freopen("multiplu.out","w",stdout);
scanf("%d %d",&a,&b);
r=a%b;c=a;d=b;
while(r!=0){
a=b;
b=r;
r=a%b;
}
a=c*d/b;
for(i=1;i<=a;i++){
r=(r*10+1)%a;
if(s[r]==0)s[r]=i;
else{
for(j=1;j<=i-s[r];j++)
printf("1");
for(j=1;j<=s[r];j++)printf("0");
break;
}
}

    return 0;
}