import java.util.*;
public class Niz16{
	public static void main(String[]args){
		Scanner sc = new Scanner(System.in);
		System.out.print("Vnesi stavek: ");
		String stavek = sc.nextLine();
		StringBuffer sb = new StringBuffer(stavek + ' ');
		int zacBes = 0;
		for (int i = 0; i<sb.length(); i++){
			if (sb.charAt(i)==' '){
				char prvaC = sb.charAt(zacBes);
				sb.insert(i,prvaC);
				i++;
				zacBes = i + 1;
			}
			
		}
		System.out.println(sb.toString());
	}
}