def add(a,b):
    return(a+b)
def sub(a,b):
    return(a-b)
def mul(a,b):
    return(a*b)
def division(a,b):
    return(a/b)
a=int(input("enter a value:"))
b=int(input("enter b value:"))
print(add(a,b))
print(sub(a,b))
print(mul(a,b))
print(division(a,b))
