#include <fstream>
#include <queue>

using namespace std;

ifstream in("multiplu.in");
ofstream out("multiplu.out");

const int N=2000001;

queue<long> q;
pair<int, int> rest[N];
bool nr[15],drum[N];

int main()
{
    int a,b,r,ca,cb,m;
    in>>a>>b;
    ca=a;
    cb=b;
    while(b!=0)
    {
        r=a%b;
        a=b;
        b=r;
    }
    m=ca*cb/a;
    q.push(1);
    rest[1].first=0;
    rest[1].second=1;
    drum[1]=1;
    a=-1;
    int prim;
    while(!q.empty())
    {
        prim = q.front();
        q.pop();
        a=(prim*10)%m;
        if (!drum[a])
        {
            q.push(a);
            rest[a].first = prim;
            rest[a].second = 0;
            drum[a]=1;
        }
        if (a == 0)
        {
            break;
        }
        a=(prim*10+1)%m;
        if(!drum[a])
        {
            q.push(a);
            rest[a].first=prim;
            rest[a].second=1;
            drum[a]=1;
        }
        if(a==0)
        {
            break;
        }
    }
    int cnt=0;
    while(rest[a].first!=0)
    {
        nr[cnt++]=rest[a].second;
        a=rest[a].first;
    }
    nr[cnt]=1;
    for(int i=cnt; i>=0; i--)
    {
        out<<nr[i];
    }
    return 0;
}