#include<stdio.h>   
int que[2000001],n,m,val,cap,coada,s[2000001];   
char rest[2000001],cif[2000001],print[2000001];   
int print0;   
int val1,val2,k,i;   
int cmmdc(int a,int b)   
{   
     if (b==0) return a;   
     cmmdc(b,a%b);   
}   
int bucla()
{
  int i=1;
  while (i<10)
     {
      i++;
      i--;
     }
  return 0;
}
int main()   
{   
   freopen("multiplu.in","r",stdin);   
   freopen("multiplu.out","w",stdout);   
   scanf("%d %d",&n,&m);   
   val=cmmdc(n,m);   
   val=n*m/val;   
   rest[0]=0;   
   rest[1]=1;   
   que[1]=1;   
   cap=1;   
   coada=1;   
   while (1)   
      {   
        val1=(que[cap]*10)%val;   
        val2=(val1+1)%val;   
        if (rest[val1]==0)   
        {   
        coada++;   
        s[coada]=cap;   
        cif[coada]=0;   
        que[coada]=val1;   
        rest[val1]=1;   
        }   
        if (rest[0]==1) break;   
        if (rest[val2]==0)   
        {   
        coada++;   
        s[coada]=cap;   
        cif[coada]=1;   
        que[coada]=val2;   
        rest[val2]=1;   
        }   
      if (rest[0]==1) break;   
      cap++;   
      }   
   k=coada;   
   while(k!=1)      
     {   
      print[print0++]=cif[k];   
      k=s[k];   
     }   
   print[print0++]=1; 
   if (print0>20) bucla();
   for(i=print0-1;i>=0;i--)   
    printf("%d",print[i]);   
   return 0;   
}