#include <fstream>
#include <cstdlib>
#include <queue>
using namespace std;
ifstream fin("multiplu.in");
ofstream fout("multiplu.out");
queue <long long>q;
int cmmdc(int a, int b)
{
    int r;
    while(b)
    {
        r=a%b;
        a=b;
        b=r;
    }
    return a;
}
int main()
{
    int a, b, cm;
    bool ok=0;
    long long nr=0;
    fin>>a>>b;
    //cm-cmmmc
    cm=(a*b)/cmmdc(a, b);
    q.push(1);
    while(ok==0)
    {
        nr=q.front();
        q.pop();
        if(nr%cm==0)
        {
           fout<<nr<<"\n";
            ok=1;
        }
        else
        {
            nr=nr*10;
            q.push(nr);
            nr=nr+1;
            q.push(nr);
        }
    }
    return 0;
}