#include <stdio.h>

int main( )
{
   if ( 0 )
      printf(" 0 means true\n");
   else
      printf(" 0 means false\n");

   if ( 1 )
      printf(" 1 means true\n");
   else
      printf(" 1 means false\n");

   if ( 4 )
      printf(" 4 means true\n");
   else
      printf(" 4 means false\n");

   if ( 65 )
      printf(" 65 means true\n");
   else
      printf(" 65 means false\n");
}