#include <iostream>
#include <fstream>
#include <algorithm>

using namespace std;

ifstream fin ("multiplu.in");
ofstream fout ("multiplu.out");

int cmmdc(int a,int b)
{
    int r;
    while(b)
    {
        r=a%b;
        a=b;
        b=r;
    }
    return a;
}
int main()
{
    long long a,b,r,x=1,ok=0;
    fin>>a>>b;
    r=a*b/cmmdc(a,b);
    while(x%r!=0)
    {
        if(ok==0)
        {
        x=x*10+1;
        ok=1;
        }
        else
        {
        x=(x-1)*10;
        ok=0;
        }
    }
    fout<<x;
    return 0;
}