import java.io.*;
publicclass D {
publicstaticvoid main(String[] args) throws IOException{
BufferedReader write = new BufferedReader(new InputStreamReader(System.in));
String input = write.readLine();
char[] shuzu = input.toCharArray();
if(input.length()<=1 && input.length()>=0){
System.out.println("it''s wrong!");
}else{
for(int i = shuzu.length-1; i >=0 ; i--){
System.out.print(shuzu[i] + " ");
}
}
}
}