package me.yukicoder.lv1; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class No0543 { public static void main(String[] args) { try (BufferedReader br = new BufferedReader(new InputStreamReader(System.in))) { String[] input = br.readLine().split(" "); System.out.println(input[1] + " " + input[0]); } catch (IOException e) { e.printStackTrace(); } } }