%{
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

%}

DEC					[0-9]+
ID					[a-zA-Z_]([a-zA-Z]|[0-9])*
WHITESPACE[ ]

%%

"let"  {printf("KEY %s\n",yytext);}

"def"  {printf("KEY %s\n",yytext);}

"if"  {printf("KEY %s\n",yytext);}

"else"  {printf("KEY %s\n",yytext);}

"while"  {printf("KEY %s\n",yytext);}

"return"  {printf("KEY %s\n",yytext);}

"break"  {printf("KEY %s\n",yytext);}

"continue"  {printf("KEY %s\n",yytext);}

"(" {printf("SYM %s\n",yytext);}

"{" {printf("SYM %s\n",yytext);}

"}" {printf("SYM %s\n",yytext);}

")" {printf("SYM %s\n",yytext);}

"," {printf("SYM %s\n",yytext);}

";" {printf("SYM %s\n",yytext);}

"=" {printf("SYM %s\n",yytext);}

"+" {printf("SYM %s\n",yytext);}

"-" {printf("SYM %s\n",yytext);}

"*" {printf("SYM %s\n",yytext);}

"/" {printf("SYM %s\n",yytext);}

"<" {printf("SYM %s\n",yytext);}

">" {printf("SYM %s\n",yytext);}

"<="  {printf("SYM %s\n",yytext);}

">="  {printf("SYM %s\n",yytext);}

"=="  {printf("SYM %s\n",yytext);}

"!="  {printf("SYM %s\n",yytext);}

"&&"  {printf("SYM %s\n",yytext);}

"||"  {printf("SYM %s\n",yytext);}

"!" {printf("SYM %s\n",yytext);}

{ID}+   {printf("ID %s\n",yytext);}
{DEC}+  {printf("DEC %s\n",yytext);}
{WHITESPACE}+

\n					yylineno++;
[ \t]+					;

%%


int main()
{
  yylex();
  return 0;
}