#include <bits/stdc++.h>
using namespace std;
#define int long long
#define N 200005
#define endl '\n'
#define double long double
double a, b;
signed main()
{
    cin >> a >> b;
    while (abs(a - b) > 1e-4)
    {
        if (a > b)
        {
            a = a / 2;
            cout << 1; // endl;
        }
        else if (a < b)
        {
            a = a / 2 + 0.5;
            cout << 2; //<< endl;
        }
    }
    return 0;
}