import java.util.Scanner;
class Koukan{
   public static void main(String[] args){
	Scanner stdIn = new Scanner (System.in);
	
	System.out.println("\nｘとｙの値を入れ替えるプログラム");
	
	System.out.print("\nxの値：");
	int x = stdIn.nextInt();
	
	System.out.print("yの値：");
	int y = stdIn.nextInt();
	
	int z;
	
	z = x;
	x = y;
	y = z;
	
	System.out.println("\nエクスチェーンジ！！！");
	System.out.println("xの値：" + (x));
	System.out.println("yの値：" + (y));
   }
}