#include <fstream>
#include <queue>
using namespace std;
typedef long long ll;
ifstream f ("multiplu.in");
ofstream g ("multiplu.out");
int cmmdc (int a , int b){
    int r;
    while (b){
        r = a % b;
        a = b;
        b = r;
    }
    return a;
}
int main()
{
    int a , b;
    f >> a >> b;
    int x = a * b / cmmdc (a , b);
    queue <long long> q;
    q.push (1LL);
    while (q.size ()){
        long long nr = q.front ();
        q.pop ();
        if (nr % x == 0){
            g << nr << '\n';
            exit (0);
        }
        q.push (nr * 10);
        q.push (nr * 10 + 1);
    }
    return 0;
}