def add(num1,num2):
	print ("Addition is :",(num1 + num2))	

def sub(num1,num2):
	print ("Substraction is :",(num1 - num2))	

def mul(num1,num2):
	print ("Multiplication is :",(num1 * num2))	

def div(num1,num2):
	print ("Division is :",(num1 / num2))				


