#include<fstream>
using namespace std;
ifstream in("multiplu.in");
ofstream out("multiplu.out");
int rez[2000001],a,b,x,y,l[2000001],t[2000001],v[2000001],st,dr,n,r,mod,i,hz[2000001];
void find_solution( int x ){
    if( t[x] == -1 ){
        rez[++n] = l[x];
    }
    else{
        rez[++n] = l[x];
        find_solution( t[x] );
    }
    return ;
}
int main(){
    in >> a >> b;
    x = a; y = b;
    while( b > 0 ){
        r = a % b;
        a = b;
        b = r;
    }
    mod = x*y / a;
    v[1] = 1;
    l[1] = 1;
    t[1] = -1;
    hz[1] = 1;
    for( st = 1, dr = 1; st <= dr; st ++ ){
        for (i = 0; i <= 1; i ++){
            if( hz[(v[st]*10 + i) % mod] == 0 ){
                dr++;
                v[dr] = (v[st]*10 + i) % mod;
                t[dr] = st;
                l[dr] = i;
                hz[((v[st]*10 + i) % mod)] = 1 ;
                if( v[dr] == 0 ){
                    find_solution( dr );
                    break;}}}}
    for( i = n; i >= 1; i -- ){
        out<<rez[i];
    }
    return 0;
}