#include <iostream>

using namespace std;

int main() {
    int a, b, t;

    scanf("%d %d", &a, &b);
    //cin >> a >> c;

    t = a;a = b;b = t;

    t = a, a = b, b = t;

    swap(a,b);

    printf("%d %d", a, b);
    return 0;
}