#include <stdio.h>

printf("#include test\n");

#if 1
 #if 0
  printf("a\n");
 #else
  printf("b\n");
 #endif
#else
 #if 0
  printf("c\n");
 #else
  printf("d\n");
 #endif
#endif

#if 0
 #if 1
  printf("e\n");
 #else
  printf("f\n");
 #endif
#else
 #if 1
  printf("g\n");
 #else
  printf("h\n");
 #endif
#endif

#define DEF

#ifdef DEF
 #ifdef DEF
  printf("i\n");
 #else
  printf("j\n");
 #endif
#else
 #ifdef DEF
  printf("k\n");
 #else
  printf("l\n");
 #endif
#endif

#ifndef DEF
 #ifndef DEF
  printf("m\n");
 #else
  printf("n\n");
 #endif
#else
 #ifndef DEF
  printf("o\n");
 #else
  printf("p\n");
 #endif
#endif

#define ONE 1
#define ZERO 0

#if ONE
 #if ZERO
  printf("q\n");
 #else
  printf("r\n");
 #endif
#else
 #if ZERO
  printf("s\n");
 #else
  printf("t\n");
 #endif
#endif

void main() {}
