#include <iostream> using namespace std; // write your code here...... void sp(int *p1,int *p2) { int t=*p1; *p1=*p2; *p2=t; } int main() { int m, n; cin >> m; cin >> n; // write your code here...... sp(&m,&n); cout << m << " " << n << endl; return 0; }