/*
 * Write a program whose input is two integer and whose output is the two
 * integers swapped
 * Example
 * Input:
 * 3 8
 * output:
 * 8 3
 * Must define and call a function
 * void SwapValues(int& userVal1, int& userVal2)
 */

#include <iostream>
using namespace std;

/* Define your function here */

void SwapValues(int& userVal1, int& userVal2){
  int temp;
  temp = userVal1;
  userVal1 = userVal2;
  userVal2 = temp;

}
int main() {
   /* Type your code here. Your code must call the function.  */
  int val1;
  int val2;

  cin >> val1;
  cin >> val2;
  SwapValues(val1, val2);
  cout << val1 << " " << val2 << endl;

   return 0;
}