text: //Classification: n/DAM/NP/aS/D(v)/fr/cd
  //Written by: Sergey Pomelov
  //Reviewed by: Igor Eremeev
  //Comment:
  
  #include <stdio.h>
  
  int *func(void) 
  {
  int *p = NULL;
  return p;
  };
  
  int main(void) 
  {
  int a = 1;
  int c;
  scanf("%d",&c);
      if (c==1) 
  		a = *func();
  printf("%d %d",a,c);
  return 0;
  }
  