%option noyywrap
%{
	#include <stdio.h>
	#include <string.h>
	int v = 0;
%}

hiljade   M*
stotine   CM|CD|DC*|C*
desetice  XC|XL|LX*|X*
jedinice  IX|IV|VI*|I*

%%
{hiljade}  {	v += yyleng * 1000; 	}
{stotine}  {	if (strcmp(yytext,"CM") == 0)
	        	v += 900;
	    	else 
	    		if (strcmp(yytext, "CD") == 0)
	    			v += 400;
	    		else
	    			if (yytext[0] == 'D')
	    				if ( yyleng > 4)
	    					printf("Vise slova C\n");
	    				else
	    					v += 500 + (yyleng-1)*100;
	    			else
                                        if (yyleng >=4)
                                                printf("Vise slova C\n");
                                        else
	    				         v += yyleng * 100;
	    }
{desetice}  {	if (strcmp(yytext,"XC") == 0)
	        	v += 90;
	    	else 
	    		if (strcmp(yytext, "XL") == 0)
	    			v += 40;
	    		else
	    			if (yytext[0] == 'L')
	    				if ( yyleng > 4)
	    					printf("Vise slova X\n");
	    				else
	    					v += 50 + (yyleng-1)*10;
				else	
	    				if ( yyleng >= 4)
		    				printf("Vise slova X\n");
	    				else
	    					v += yyleng * 10;
	    }

{jedinice}  {	if (strcmp(yytext,"IX") == 0)
	        	v += 9;
	    	else 
	    		if (strcmp(yytext, "IV") == 0)
	    			v += 4;
	    		else
	    			if (yytext[0] == 'V')
	    				if ( yyleng > 4)
	    					printf("Vise slova I\n");
	    				else
	    					v += 5 + (yyleng-1);
	    			else	    				
					if ( yyleng >= 4)
		    				printf("Vise slova I\n");
	    				else
	    					v += yyleng;
	    }
	    
%%
int main()
{	yylex();
	printf("Vrednost rimskog broja je %d\n",v);
        return 0;
}