#include <bits/stdc++.h>
using namespace std;
int a[5],l;
void f(int n)
{
    if (n == 6174) return;
    for (int i = 1;i <= 4;i++)
    {
        a[5 - i] = n % 10;
        n /= 10;
    }
    sort(a + 1,a + 5);
    int u = 0,p = 0;
    for (int i = 1;i <= 4;i++)
    {
        u = u * 10 + a[i];
        p = p * 10 + a[5 - i];
    }
    cout << p << '-' << u << '=' << p - u << endl;
    f(p - u);
}
int main()
{
    cin >> l;
    f(l);
}