1019

#include<iostream>
#include<string>
#include<vector>
#include<iomanip>
#include<algorithm>


using namespace std;

inline int str_to_min(int a)
{
    string tmp = to_string(a);
    while (tmp.size() < 4)
    {
        tmp = tmp + "0";
    }

    sort(tmp.begin(), tmp.end());
    unsigned ret = stoi(tmp);
    return ret;
}
inline int str_to_max(int a)
{
    string tmp = to_string(a);
    while (tmp.size() <4)
    {
        tmp = tmp + "0";
    }

    sort(tmp.begin(), tmp.end(), [](char chr1, char chr2) {return chr1>chr2; });
    unsigned ret = stoi(tmp);
    return ret;
}

int main()
{
    int n;
    cin >> n;

    int max_tmp = str_to_max(n);
    int min_tmp = str_to_min(n);
    int r = max_tmp -min_tmp ;
    if (r == 0)
    {
        cout << n << " - " << n << " = 0000";
    }
    else
    {
        cout.setf(ios::right);
        cout.fill('0');
        while (r!=6174)
        {
            cout <<setw(4)<< max_tmp << " - " << setw(4)<< min_tmp <<" = "<< setw(4)<< r<<endl;
            n = r;
            max_tmp = str_to_max(n);
            min_tmp = str_to_min(n);
            r = max_tmp - min_tmp;
            if (r==0)
            {
                cout << setw(4) << max_tmp << " - " << setw(4) << min_tmp << " = " << "0000" ;
                return 0;
            }
        }
        cout << setw(4)<< max_tmp << " - " << setw(4)<< min_tmp << " = " << setw(4)<< r;
    }


    cout << endl;
    system("pause");
    return 0;
}