%X	DOCUMENT	TITLE	CHAPTER
abc [a-zA-Z0-9 ]+
%%
"\\begin{".*	{BEGIN DOCUMENT;}
<DOCUMENT>"\\title{"	{BEGIN TITLE;}
<TITLE>{abc}	{
		int i=0;
		while(i<yytext[i])
		{
			if(yytext[i]>=97 && yytext[i]<=122){
				printf("%c",yytext[i]-32);
			}else{
				printf("%c",yytext[i]);
			}

			i++;
		}

}
<TITLE>"}"	{BEGIN 0;}

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

int yywrap()
{
return 1;
}