#include<iostream>
#include<cstring>

using namespace std;

void swap(int &x, int &y)
{
    int t = 0;
    t = x;
    x = y;
    y = t;
}

int main()
{
    int x,y;
    cin >> x >> y;

    swap(x,y);

    cout << x << ' ' << y << endl;

    return 0;
}