// This program solves the string permutation problem

import java.util.*;

public class Permute {
    public static void main(String[] args) {
        Scanner console = new Scanner(System.in);
        System.out.print("What String would you like to permute? ");
        String s = console.next();
        System.out.println();
        permute(s);
    }
    
    // print out all possible permutations of the given String
    // n -- n! permutations
    public static void permute(String s) {
      permute(s, "");
    }
    
    // where have we been? chosen: partial solution
    // where are we going? s: what characters are left
    private static void permute(String s, String chosen) {
      if (s.length() == 0) {
        System.out.println(chosen);
      } else { // s.length() > 0
        for (int i = 0; i < s.length(); i++) {
          char c = s.charAt(i);
          permute(s.substring(0, i) + s.substring(i + 1), chosen + c);
        }
      }
    }

}