#include using namespace std;

// write your code here...... void lhy(int * p1,int * p2) { int temp =*p1; *p1=*p2; *p2=temp; } int main() {

int m, n;
cin >> m;
cin >> n;
// write your code here......
lhy(&m,&n);
cout << m << " " << n << endl;
return 0;

}