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  1. %{ 
  2.   int i; 
  3. %} 
  4.  
  5. %% 
  6.  
  7. [0-9]+	{i=atoi(yytext); 
  8.       		if(i%2==0) 
  9.       			printf("Even"); 
  10.       		else
  11.       		printf("Odd");}
  12.       		\n reyurn 0;
  13. %% 
  14.  
  15. int yywrap(){} 
  16.  
  17. int main() 
  18. { 
  19.  
  20. 	yylex();
  21. 	printf("Enter a valid number=");
  22. 	return 0; 
  23. } 
  24.  
Success #stdin #stdout #stderr 0.03s 6836KB
comments (?)
stdin 
2
stdout 
Standard output is empty
stderr 
ERROR: /home/ZMa4D9/prog:23:2: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/DhDmRm
language:
Prolog (swi 7.6.4)
created:
2 years ago
visibility:
public

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