def a1plusa2(num):
    res = "{res1} {res2}"
    if num % 2 == 0:
        str = int(num / 2)
        res = res.format(res1=str ,res2= str)
    else:
        str1 = int(num / 2)
        str2 = int(num / 2 + 1)
        res = res.format(res1=str1,res2=str2)
    return res

print(a1plusa2(int(input())))