;/* package whatever; // don't place package name! */
 
/* The class name doesn't have to be Main, as long as the class is not public. */
class Main
{
  public static void main (String[] args) throws java.lang.Exception
  {
     java.io.BufferedReader r = new java.io.BufferedReader (new java.io.InputStreamReader (System.in));
     String s;
     s = r.readLine();
     //while (s != null) {
     while (!(s.startsWith("42"))) {
       System.out.println(s);
       s = r.readLine();
     }
  }
}

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

NQo2CjQyCjcKOAo=

5
6
42
7
8