import java.util.*;
public class Niz17{
	public static void main(String[]args){
		Scanner sc = new Scanner(System.in);
		System.out.print("Vnesi stavek: ");
		String stavek = sc.nextLine();
		String bes[] = stavek.split(" ");
		for (int i =0; i<bes.length; i++){
			if(bes[i].length()>1){
				StringBuffer sb = new StringBuffer(bes[i]);
				char prva = sb.charAt(0);
				char zadnja = sb.charAt(bes[i].length()-1);
				sb.setCharAt(0, zadnja);
				sb.setCharAt(sb.length()-1, prva);
				bes[i] = sb.toString();
				
			}
			//System.out.println(bes[i]);
		}
		String pop = String.join(" ",bes);
		System.out.println(pop);
		
	}
}