#include <bits/stdc++.h>

using namespace std;
ifstream fin("multiplu.in");
ofstream fout("multiplu.out");
int q[2000005], pr, ul;
int pred[2000005];
char c[2000005];
bitset<2000005> fr;
string sol;

int main()
{
    int a, b, x;
    fin >> a >> b;
    x = a / __gcd(a, b) * b;
    pr = 1;
    ul = 0;
    q[++ul] = 1;
    fr[1] = 1;
    c[1] = '1';
    while(fr[0] == 0)
    {
        a = q[pr++];
        b = a * 10 % x;
        if(fr[b] == 0)
        {
            fr[b] = 1;
            q[++ul] = b;
            c[ul] = '0';
            pred[ul] = pr - 1;
        }
        if(b == 0)
            break;
        b = (b + 1) % x;
        if(fr[b] == 0)
        {
            fr[b] = 1;
            q[++ul] = b;
            c[ul] = '1';
            pred[ul] = pr - 1;
        }
    }
    while(ul > 0)
    {
        sol += c[ul];
        ul = pred[ul];
    }
    reverse(sol.begin(), sol.end());
    fout << sol << "\n";
    fout.close();
    return 0;
}