#include <iostream>
#include <iomanip>
#include <vector>
#include <algorithm>
#include <cmath>
#include<set>
#include<cstring>

using namespace std;
typedef long long ll;

int main() {
    
    string m; cin >> m; 
    string target; cin >> target; 

    if (m == target) {
        cout << "1"; return 0; 
    }

    int cnt = 1; 
    set<string> s; 
    while (true) {
        int freq[10];
        memset(freq,0,sizeof freq);
        for (int i = 0; i < m.size(); i++) {
            freq[m[i]-'0']++; 
        }

        string ns = "";
        for (int i = 0; i < 10; i++) {
            if (freq[i] > 0) {
                ns += to_string(freq[i]); 
                ns += to_string(i);
            }
        }
        m = ns; 

        cnt++; 

        if (ns == target) {
            cout << cnt; break;
        }

        if (cnt > 100) {
            cout << "I'm bored"; break;
        }
        if (s.count(ns)) {
            cout << "Does not appear"; break; 
        }
        else {
            s.insert(ns);
        }

    }

    return 0; 
}