//
//	value-returning method

import java.util.Scanner;
class MaxDemo2
{
	public static void main(String[] args)
	{
		Scanner input = new Scanner(System.in);
		int num1, num2;
		int max, min;
		int sum;
		boolean go = true;
		String ans;
		while(go)
		{
			System.out.print("Input two #s: ");
			num1 = input.nextInt();
			num2 = input.nextInt();
			sum = Sum(num1, num2);
			System.out.println("sum = " + sum);
			max = Max(num1, num2);
			System.out.println("max = " + max);
			min = Min(num1, num2);
			System.out.println("min = " + min);

			System.out.print("Go on?(y/n): ");
			ans = input.next();
			if(ans.equalsIgnoreCase("n")) go = false;
		}
		System.out.println("\n\nDone.\n\n");
	}
	private static int Sum(int a, int b)
	{
		int s;
		s = a + b;
		return s;
	}
	private static int Min(int a, int b)
	{
		int m = a;
		if(m>b)	m = b;
		return m;
	}
	private static int Max(int a, int b)
	{
		int m = a;
		if(m<b)	m = b;
		return m;
	}
}

/*
P.53 #1

int t = Test(1, -1, 2);	// t = 6

private static int Test ( int a, int b, int c )
{
	int t1, t2, t3;
	t1 = a + b;					// 0
	t2 = a - b;					// 2
	t3 = 2 * (t1 + t2);	// 2 * (0 + 2) = 4
	c = t1 + t2 + t3;		// 0 + 2 + 4
	return c;
}
*/