#include <stdlib.h>
#include <stdio.h>
#include <windows.h>


enum ConsoleColor
{
	Black         = 0,
	Blue          = 1,
	Green         = 2,
	Cyan          = 3,
	Red           = 4,
	Magenta       = 5,
	Brown         = 6,
	LightGray     = 7,
	DarkGray      = 8,
	LightBlue     = 9,
	LightGreen    = 10,
	LightCyan     = 11,
	LightRed      = 12,
	LightMagenta  = 13,
	Yellow        = 14,
	White         = 15
};

bool compare(char c){
	char s[] = " \t\n(){}+=-/*&%x;,";
	for(int i = 0; s[i]; i++)
		if(c == s[i]) return true;
	return false || (c == EOF);
}

int main(int argc, char **argv){
	char ch;
	bool free = true;
	FILE *fIN;
	//SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), (WORD)(White));
	if(argc < 2)
		fIN = fopen("input.c", "r");
	else
		fIN = fopen(argv[1], "r");

	//some octals: 023 0df 0123 0x123 123 25
	while((ch = getc(fIN)) != EOF){
		if(!free){
			if(compare(ch))
				free = true;
			putchar(ch);
		}else{
			if(ch == '0'){
				if(!compare(ch = getc(fIN))){
					SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), (WORD)(Brown));					
					putchar('0'); putchar(ch);
					while(!compare(ch = getc(fIN)))
						putchar(ch);
					SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), (WORD)(White));
					if(ch != EOF) putchar(ch);
				}
			}else{
				free = false;
				putchar(ch);
			}
		}
	}
	
	return 0;
}