#include <bits/stdc++.h>
#define pb push_back
#define DM 2000005
using namespace std;
ifstream fin("multiplu.in");
ofstream fout("multiplu.out");
queue<pair<pair<int,int>,char> >Q;
int lcm,a,b;
bool viz[DM];
int mp[DM];
char rez[DM];
void afis(int pos)
{
    if(pos!=1)
        afis(mp[pos]);
    fout<<rez[pos];
}
int main()
{
    fin>>a>>b;
    lcm = a*b/__gcd(a,b);
    Q.push({{1,1},'1'});
    viz[1]=true;
    while(!Q.empty()){
        int curr = Q.front().first.first;
        int where=Q.front().first.second;
        char r=Q.front().second;
        Q.pop();
        rez[curr]=r;
        mp[curr]=where;
        int R0 = (curr*10)%lcm;
        int R1 = (curr*10+1)%lcm;
        if(viz[R0]==true) continue;
        if(R0==0)
        {
            rez[0]='0';
            mp[0]=curr;
            break;
        }
        viz[R0]=true;
        Q.push({{R0,curr},'0'});
        if(viz[R1]==true) continue;
        if(R1==0)
        {
            rez[0]='1';
            mp[0]=curr;
            break;
        }
        viz[R1]=true;
        Q.push({{R1,curr},'1'});
    }
    afis(0);
    return 0;
}