#include <fstream>
#include <algorithm>
using namespace std;
ifstream fin("multiplu.in");
ofstream fout("multiplu.out");
int x[55],a,b,a2,b2,r,v,u,m,k,i,av,cmmmc,p;
int main()
{
    fin>>a>>b;
    a2=a;
    b2=b;

    while(b2!=0){
        r=a2%b2;
        a2=b2;
        b2=r;


    }
    cmmmc=a*b/a2;
    v=cmmmc;
    for(i=1;i<=100000000;i++)
    {
        av=cmmmc;
        m=0;
        p=0;
        k=1;
        while(av!=0){
            m++;
            u=av%10;
            if(u==1||u==0){
                p++;
                x[k]=u;
                k++;
            }
            else
            {
                break;
            }

            av=av/10;
        }
        if(p==m){
            break;
        }
        cmmmc=cmmmc+v;
    }
    for(i=p;i>=1;i--){
        fout<<x[i];
    }
    return 0;
}