#include 
using namespace std;

struct tocka {
    double x, y;
};
int main() {
    int n;
    cin >> n;
    tocka niza[n];
    
    for(int i = 0; i < n; i++) {
        cin >> niza[i].x >> niza[i].y;
    }
    
    for(int i = 0; i < n; i++) {
        cout << niza[i].x << " " << niza[i].y << endl;
    }
    return 0;
}