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


public class Main_yukicoder785 {

	private static Scanner sc;
	private static Printer pr;

	private static void solve() {
		String R = sc.next();
		String G = sc.next();
		String B = sc.next();
		int nR = (R.length() + 1) / 2;
		int nG = (G.length() + 1) / 2;
		int nB = (B.length() + 1) / 2;

		int r = R.length() == 4 ? 256 : 256 - 16 * nR - nR * (16 - nR);
		int g = G.length() == 4 ? 256 : 256 - 16 * nG - nG * (16 - nG);
		int b = B.length() == 4 ? 256 : 256 - 16 * nB - nB * (16 - nB);

		pr.println(r * g * b);
	}

	// ---------------------------------------------------
	public static void main(String[] args) {
		sc = new Scanner(System.in);
		pr = new Printer(System.out);
			
		solve();
			
		pr.close();
		sc.close();
	}

	static class Printer extends PrintWriter {
		Printer(OutputStream out) {
			super(out);
		}
	}
}