#include <iostream>
#include <string>

using namespace std;

// Function Declarations
string converter(string);
string lowercase(string);

int main (int argc, char * const argv[]) {
	string input;
	string output;
	
	//if (argc == 1) {
	//	cout << "leet: [file or input] file" << endl;
	//	return 1;
	//}
	
	/*
	if (argv[1] == "file")
	// File and vector code(file output also?)
	cout << "The File code is not completed yet" << endl;
	
	else if (argv[1] == "input")
		// Input handling code
		cout << "Rember this is still in beta :)" << endl;
	
	else {
		cout << "leet: unknown option" << endl;
		return 0;
	}
	*/
	
	cout << "Welcome to BJ's l33t converter"
		 << endl
		 <<  "Enter something to be converted to l33t: ";
	getline(cin, input);
	output=converter(input);
	cout << output << endl;
	
	return 0;
}
  
string converter(string foo) {
	int s=foo.size();
	foo=lowercase(foo);
	for (int i=0; i < s; i++)
		if (foo[i] == 'a' )
			foo[i] = '4';
		else if (foo[i] == 'b')
			foo[i] = '8';
		else if (foo[i] == 'e')
			foo[i] = '3';
		else if (foo[i] == 'i')
			foo[i] = '1';
		else if (foo[i] == 'o')
			foo[i] = '0';
		else if (foo[i] == 's')
			foo[i] = '5';
		else if (foo[i] == 't')
			foo[i] = '7';
			
		return foo;
}

string lowercase(string foo) {
	int s=foo.size();
	for (int i=0; i < s; i++)
		foo[i]=tolower(foo[i]);
	
	return foo;
}