def summation(a,b):
    c=type(a)==int
    d=type(b)==int
    if c is True and d is True:
        print(a+b)
    else:
        return print("numbers not integer!")





summation (10.4,3)
def summation(a,b):
    c=type(a)==int
    d=type(b)==int
    if c is True and d is True:
        print(a+b)
    else:
        return print("numbers not integer!")





summation (10.4,3)