a = 5
b = 9

add = a + 4.5
sub = a - 4.5
mul = a * b
power = b ** 2
mod = b % 2

print("Add = " + str(add))
print("Sub = " + str(sub))
print("Mul = " + str(mul))
print("Power = " + str(power))
print("Mod = " + str(mod))