import java.util.Iterator;
import java.util.Scanner;
import java.util.Vector;


public class Main {

 /**
  * @param args
  */
 public static void main(String[] args) {
  Vector<Object> input = new Vector<Object>();
  int goIn = 0;
  while(goIn != 42){
   goIn = UserInput();
   input.addElement(goIn);
   
  }
  
  for(Iterator<Object> i = input.iterator(); i.hasNext();){
   System.out.println(i.next());
  }
  
  
 }
 
 public static int UserInput(){
  Scanner scanner = new Scanner(System.in);
  return scanner.nextInt();
  
 }
}