#include <iostream>
#include <fstream>

using namespace std;
ifstream f("multiplu.in");
ofstream g("multiplu.out");
int n,i,j,a,b,c,q[2000001],pred[2000001],rest,lq;
bool ult[2000001];

void drum(int x)
{
    if(x!=1) drum(pred[x]);
    g<<ult[x];
}

int main()
{
    f>>a>>b;
    c=a;
    while(c%b) c+=a;
    lq=1;
    q[1]=1;
    pred[1]=0;
    ult[1]=1;
    if(c>1){
    for(i=1;i<=lq;i++)
    {
        for(j=0;j<=1;j++)
        {
            rest=(10*q[i]+j)%c;
            if(pred[rest]==0 && rest!=1)
            {
                q[++lq]=rest;
                pred[rest]=q[i];
                ult[rest]=j;
                if(rest==0) i=lq+1, j=2;
            }
        }
    }
    drum(rest);
    g<<'\n';
    }
    else g<<1<<'\n';
    return 0;
}