//
// main.cpp
// testC++
//
#include <iostream>
//6174
using namespace std;
int num[2000];
int get_next(int x){
int a, b = 0, n;
char s[10];
sprintf(s, "%d", x);
n = (int)strlen(s);
//bubble sort ,get min
for (int i = 0; i < n; i++) {
for (int j = i + 1; j < n; j++) {
if(s[i] > s[j]){
char t = s[i];
s[i] = s[j];
s[j] = t;
}
}
}
sscanf(s, "%d", &b);
//reverse
for(int i = 0; i < n / 2; i++){
char t = s[i];
s[i] = s[n - i - 1];
s[n - i - 1] = t;
}
sscanf(s, "%d", &a);
return a - b;
}
int main(int argc, const char * argv[])
{
scanf("%d", &num[0]);
printf("%d", num[0]);
int count = 1;
for (; ;) {
num[count] = get_next(num[count - 1]);
printf(" -> %d", num[count]);
int found = 0;
for(int i = 0; i < count; i++)
if (num[i] == num[count]) {
found = 1;
break;
}
if(found)
break;
count++;
}
printf("
");
return 0;
}