import java.util.Arrays; import java.util.Scanner; public class Main { public static void permut(String s, String ans) { String news=""; if(news.length()==s.length()) { System.out.println(ans); return; } for(int i=0;i<s.length();i++){ char curr=s.charAt(i); news =s.substring(0,i) + s.substring(i+1); permut(news,ans+curr); } } public static void main(String[] args) { String s="abc"; permut(s,""); } }