/*
Example programs from the book Scientific and Engineering Programming
in C++: An Introduction with Advanced Techniques and Examples,
Addison-Wesley, 1994.
 
                 (c) COPYRIGHT INTERNATIONAL BUSINESS MACHINES
                 CORPORATION 1994.  ALL RIGHTS RESERVED.

See README file for further details.
*/
#include <iostream.h>

int main() {
int x, y;

cin >> x

;

cin >> x >> y

;

cout << x

;
cout << endl;
{

int i = 1;
int j = 2;
cout << i << j;

cout << endl;
}
{

int i = 1;
int j = 2;
cout << i << " " << j;

cout << endl;
}
{

int i = 1;
int j = 2;
cout << i << endl << j << endl;

}
  return 0;
}