#include<cstdio>
bool resturi[2000001];
char numar[50];
struct element{int cifra,poz,rest;};
element coada[2000001];
int main()
{
 freopen("multiplu.in","r",stdin);
 freopen("multiplu.out","w",stdout);
 int a,b;
 scanf("%d %d ",&a,&b);
 int r,cmmdc=a,a1=a,b1=b;
 while(b)
       {
        r=cmmdc%b;
        cmmdc=b;
        b=r;
       }
 int cmmmc=a1*b1/cmmdc;
 resturi[1]=true;
 coada[1].cifra=1;
 coada[1].rest=1;
 coada[1].poz=0;
 int in=1;
 int sf=1,poz;
 bool gasit=false;
 while(!gasit)
       {
        for(int i=0;i<=1;i++)
            {
             if(resturi[(coada[in].rest*10+i)%cmmmc]!=true)
                {
                 coada[++sf].cifra=i;
                 coada[sf].poz=in;
                 coada[sf].rest=(coada[in].rest*10+i)%cmmmc;
                 if(coada[sf].rest==0)
                    {
                     gasit=true;
                     poz=sf;
                    }
                 resturi[coada[sf].rest]=true;
                }
            }
        in++;
       }
 int next=poz,el=0;
 while(coada[next].poz!=0)
       {
        numar[++el]=coada[next].cifra;
        next=coada[next].poz;
       }
 numar[++el]=coada[next].cifra;
 for(int i=el;i>=1;i--)
     printf("%d",numar[i]);
return 0;
}