# โปรแกรมหลัก 2

PI=3.14

def addition(*args):
    total = 0
    for i in range(len(args)):
        total += args[i]
    print("ผลบวก =", total)

def subtraction(num1, num2):
    print("ผลลบ =", (num1-num2))


addition(10,5)