#include <cstdio>
using namespace std;
const int NMAX=2000000+5;
struct ABC
{
  int c,r,t;
};
ABC q[NMAX];
int cmmdc(int a,int b)
{
  int r;
  while(b)
  {
    r=a%b;
    a=b;
    b=r;
  }
  return a;
}
int cmmmc(int a,int b)
{
  int prod=a*b;
  int M=cmmdc(a,b);
  return prod/M;
}
bool viz[NMAX];
int v[NMAX];

int main()
{
    int a,b,p,u;
    freopen("multiplu.in","r",stdin);
    freopen("multiplu.out","w",stdout);
    scanf("%d%d",&a,&b);
    int m=cmmmc(a,b);
    q[1].c=1;
    q[1].r=1;
    q[1].t=0;
    p=u=1;
    viz[1]=1;
    while(p<=u)
    {
      if(viz[(q[p].r*10)%m]==0){
        viz[(q[p].r*10)%m]=1;
        q[++u].r=(q[p].r*10)%m;
        q[u].c=0;
        q[u].t=p;
        if(viz[0]==1)
          break;
      }
      if(viz[(q[p].r*10+1)%m]==0)
      {
        viz[(q[p].r*10+1)%m]=1;
        q[++u].r=(q[p].r*10+1)%m;
        q[u].c=1;
        q[u].t=p;
        if(viz[0]==1)
          break;
      }
      ++p;
    }
    int k=1;
    for(k=1;u;u=q[u].t,++k)
      v[k]=q[u].c;
    --k;
    while(k>0){
      printf("%d",v[k]);
      --k;
    }
    printf("\n");
    return 0;
}