#include <iostream>
#include <bits/stdc++.h>
using namespace std;

// write your code here......


int main() {

    int m, n;
    cin >> m;
    cin >> n;

    // write your code here......
    int *q;
    int *p;
    q=&m;
    p=&n;
    int t = *q;
    *q=*p;
    *p=t;

    cout << m << " " << n << endl;

    return 0;
}