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#include <stdio.h>
 
#define Freq400 
#define Freq200 8
#define Freq100 16
#define Freq50 32
#define Freq40 40
#define Freq32 50
 
enum { Freq400=4, Freq200=8, Freq100=16, Freq50=32, Freq40=40, Freq32=50};
 
int main(void) {
	// your code goes here
	int x= rand();
	printf ("%i rand:", x);
	if(x >= Freq400 && x <= Freq32 )
	printf ("available");
	else printf("error");
	return 0;
}
 

prog.c:10:15: error: expected identifier before ‘=’ token
 enum { Freq400=4, Freq200=8, Freq100=16, Freq50=32, Freq40=40, Freq32=50};
               ^
prog.c: In function ‘main’:
prog.c:14:9: warning: implicit declaration of function ‘rand’ [-Wimplicit-function-declaration]
  int x= rand();
         ^~~~
prog.c:16:7: warning: comparison between pointer and integer
  if(x >= Freq400 && x <= Freq32 )
       ^~
prog.c:16:23: warning: comparison of constant ‘50’ with boolean expression is always true [-Wbool-compare]
  if(x >= Freq400 && x <= Freq32 )
                       ^~
prog.c:16:7: warning: comparisons like ‘X<=Y<=Z’ do not have their mathematical meaning [-Wparentheses]
  if(x >= Freq400 && x <= Freq32 )
     ~~^~~~~~~~~~~~~~~
prog.c:16:2: error: label ‘x’ used but not defined
  if(x >= Freq400 && x <= Freq32 )
  ^~

Standard output is empty