#include <bits/stdc++.h>
using namespace std;
const double esp = 1e-4;
#define i64 long long 
void solve(){
    double a,b;// int cnt = 0;
    cin >> a >> b;
   // cout << a << b;
    if (abs(a - b) <= esp){
        cout << endl;
        return;
    }
    
    while (abs(a- b) >= esp)
    {
    	
        if (a > b){
            a = a * 1.0 / 2;
            cout << 1;
        } else {
            a = a * 1.0 / 2 + 0.5;
            cout << 2;
        }
    }
    cout << endl;
}
int main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
	solve();
    return 0;
}