#include <iostream>
using namespace std;

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


int main() {

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

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


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

    return 0;
}