from math import gcd
N,M,K = map(int,input().split())
# a00 = M / N
# a01 = (N - M) / N
# a10 = (M - 1) / (N - K - 1)
# a11 = M / (N - K - 1)
# ans = a00 * a10 + a01 * a11
b0 = M * (M - 1) + (N - M) * M
b1 = N * (N - K - 1)
g = gcd(b0,b1)
print(b0//g,b1//g)