NUMBER

import java.io.*;
import java.util.Scanner;

public class Number  {



   public static void main(String[] args) throws IOException {



getFile();

}
    public static void getFile() throws IOException {

    File input = new File("AlphabeticPhoneNumbers.txt");
	    Scanner inputFile = new Scanner(input);


    while (inputFile.hasNext()) {
			Scanner slashScan = new Scanner(inputFile.nextLine());
	        String line = inputFile.nextLine();


	         slashScan.close();


	}
	    inputFile.close();



}

public static char getPhoneNumber(String input){
	char c;
int counter = 0;
 c = input.toLowerCase().charAt(0);

     if (c == 'F' || c == 'B' || c == 'C'){



	 }
return c;
	    }// End of full_number function


private static boolean isVaild(String input){

	String phoneNumber = input;
	int length = phoneNumber.length();
	char c;
	int counter = 0;

	if(length == 12 || length == 14){


		do{

			c = phoneNumber.charAt(counter);

			if(c >= 'a' && c <= 'z' || c >= 'A' && c <= 'Z' || c >= '0' && c <= '9' || c == '-'){
				counter ++;

			}
			else{
				return false;
			}
}
while (counter < length - 1);

}else {

	return false;
}


return true;

}




}