#include <iostream>
#include <stdio.h>

using namespace std;

class Coordinates{
    int mX, mY;
public:
    void SetValues(int, int);
    int  GetX();
    int  GetY();
};

void Coordinates::SetValues(int x, int y){
    mX = x;
    mY = y;
}

int Coordinates::GetX(){
   return mX;
}

int Coordinates::GetY(){
   return mY;
}

int readFile(Coordinates** pV);
void stampaV(Coordinates* v, int fileDim);

int main(){

    int fileDim;
    Coordinates* v;
    fileDim = readFile(&v);
    stampaV(v, fileDim);

    return 0;
}

int readFile(Coordinates** pV){

    FILE* fp = fopen("input.txt", "r");
    Coordinates* tmp;
    int fileDim, x, y;

    fscanf(fp, "%d", &fileDim);
    tmp = new Coordinates [fileDim];

    for(int i=0;i<fileDim;i++) {
        fscanf(fp, "%d %d", &x, &y);
        tmp[i].SetValues(x, y);
    }

    *pV = tmp;
    return fileDim;
}

void stampaV(Coordinates* v, int fileDim){

    int x,y;

   for(int i=0;i<fileDim;i++){
    printf("%d %d\n", v[i].GetX(), v[i].GetY());
   }
}