import java.io.File;
import java.io.FileNotFoundException;
import java.text.DecimalFormat;
import java.util.Scanner;
import uwcse.io.Input;

public class FileInputExample {

	public static void main(String[] args) {
		// Create a Scanner to read the input file
		String fileName = new Input().readString("Input file name? ");
		System.out.println();
		Scanner scan;

		try {
			scan = new Scanner(new File(fileName));
		} catch (FileNotFoundException e) {
			System.out.println(fileName + " doesn't exist!");
			return;
		}

		// Read the file and count the number of occurences of A, B, ...

		// Display the statistics (as an histogram)

	}
}