#include <fstream>
using namespace std;
int a, b, r, P, cm, c[2000001], t[20000001], f[2000001], p, u, rest1, rest2, v[20000001];
int main ()
{
    ifstream fin ("multiplu.in");
    ofstream fout ("multiplu.out");
    fin>>a>>b;
    P=a*b;
    while (b!=0)
    {
        r=a%b;
        a=b;
        b=r;
    }
    cm=P/a;
    p=1;
    u=1;
    v[1]=1;
    c[1]=1;
    f[1]=1;
    while (p<=u)
    {
        rest1=(v[p]*10)%cm;
        if (f[rest1]==0)
        {
            u++;
            v[u]=rest1;
            f[rest1]=1;
            t[u]=p;
            c[u]=0;
        }
        if (rest1==0)
            break;
        rest2=(v[p]*10+1)%cm;
        if (f[rest2]==0)
        {
            u++;
            f[rest2]=1;
            v[u]=rest2;
            t[u]=p;
            c[u]=1;
        }
        if (rest2==0)
            break;
        p++;
    }
    while (u!=0)
    {
        fout<<c[u];
        u=t[u];
    }
}