n = int(input())

if n % 2 == 1:
    print((n+1)//2, (n-1)//2)
else:
    for k in range(n):
        s = n + k**2
        res = int(s**0.5 + 0.5)
        if n == res**2 - k**2:
            print(res, k)
            break
    else:
        print("impossible")