N,M,K = map(int,input().split())
def gcd(a,b):
    while True:
        r = a % b
        a = b
        b = r
        if r == 0:
            return a
P = M * (N -1)
Q = N * (N - K - 1)
d = gcd(P,Q)
P //= d
Q //= d
print(P,Q)