public class Arith
{
    static int add(int a, int b)
    {
	return a + b;
    }

    static int sub(int a, int b)
    {
	return a - b;
    }

    static int mul(int a, int b)
    {
	return a * b;
    }

    static int div(int a, int b)
    {
	return a / b;
    }

    static int rem(int a, int b)
    {
	return a % b;
    }

    static int neg(int a)
    {
	return -a;
    }

    static long add(long a, long b)
    {
	return a + b;
    }

    static long sub(long a, long b)
    {
	return a - b;
    }

    static long mul(long a, long b)
    {
	return a * b;
    }

    static long div(long a, long b)
    {
	return a / b;
    }

    static long rem(long a, long b)
    {
	return a % b;
    }

    static long neg(long a)
    {
	return -a;
    }

    static float add(float a, float b)
    {
	return a + b;
    }

    static float sub(float a, float b)
    {
	return a - b;
    }

    static float mul(float a, float b)
    {
	return a * b;
    }

    static float div(float a, float b)
    {
	return a / b;
    }

    static float rem(float a, float b)
    {
	return a % b;
    }

    static float neg(float a)
    {
	return -a;
    }

    static double add(double a, double b)
    {
	return a + b;
    }

    static double sub(double a, double b)
    {
	return a - b;
    }

    static double mul(double a, double b)
    {
	return a * b;
    }

    static double div(double a, double b)
    {
	return a / b;
    }

    static double rem(double a, double b)
    {
	return a % b;
    }

    static double neg(double a)
    {
	return -a;
    }

    public static void main (String[] args)
    {
	test_int (3, 1);
	test_long (3, 1);
	test_float (3, 0);
	test_double (3, 0);
	System.out.println("Done!");
    }

    static void test_int(int a, int b)
    {
	char prefix = 'i';

	System.out.println(prefix + "add");
	System.out.println("\t= " + add(a,b));
	
	System.out.println(prefix + "sub");
	System.out.println("\t= " + sub(a,b));
	
	System.out.println(prefix + "mul");
	System.out.println("\t= " + mul(a,b));
	
	System.out.println(prefix + "div");
	System.out.println("\t= " + div(a,b));
	
	System.out.println(prefix + "rem");
	System.out.println("\t= " + rem(a,b));
	
	System.out.println(prefix + "neg");
	System.out.println("\t= " + neg(a));
    }

    static void test_long(long a, long b)
    {
	char prefix = 'l';

	System.out.println(prefix + "add");
	System.out.println("\t= " + add(a,b));
	
	System.out.println(prefix + "sub");
	System.out.println("\t= " + sub(a,b));
	
	System.out.println(prefix + "mul");
	System.out.println("\t= " + mul(a,b));
	
	System.out.println(prefix + "div");
	System.out.println("\t= " + div(a,b));
	
	System.out.println(prefix + "rem");
	System.out.println("\t= " + rem(a,b));
	
	System.out.println(prefix + "neg");
	System.out.println("\t= " + neg(a));
    }

    static void test_float(float a, float b)
    {
	char prefix = 'f';

	System.out.println(prefix + "add");
	System.out.println("\t= " + add(a,b));
	
	System.out.println(prefix + "sub");
	System.out.println("\t= " + sub(a,b));
	
	System.out.println(prefix + "mul");
	System.out.println("\t= " + mul(a,b));
	
	System.out.println(prefix + "div");
	System.out.println("\t= " + div(a,b));
	
	System.out.println(prefix + "rem");
	System.out.println("\t= " + rem(a,b));
	
	System.out.println(prefix + "neg");
	System.out.println("\t= " + neg(a));
    }

    static void test_double(double a, double b)
    {
	char prefix = 'd';

	System.out.println(prefix + "add");
	System.out.println("\t= " + add(a,b));
	
	System.out.println(prefix + "sub");
	System.out.println("\t= " + sub(a,b));
	
	System.out.println(prefix + "mul");
	System.out.println("\t= " + mul(a,b));
	
	System.out.println(prefix + "div");
	System.out.println("\t= " + div(a,b));
	
	System.out.println(prefix + "rem");
	System.out.println("\t= " + rem(a,b));
	
	System.out.println(prefix + "neg");
	System.out.println("\t= " + neg(a));
    }
}