X = [input() for _ in range(3)]
S = set()
for i0 in range(1, len(X[0])+1):
    x0 = X[0][:i0]
    for i1 in range(1, len(X[1])+1):
        x1 = X[1][:i1]
        for i2 in range(1, len(X[2])+1):
            x2 = X[2][:i2]
            Y = [x0, x1, x2]
            for per in [(0, 1, 2), (0, 2, 1), (1, 0, 2), (1, 2, 0), (2, 0, 1), (2, 1, 0)]:
                T = Y[per[0]] + Y[per[1]] + Y[per[2]]
                S.add(T)
print(len(S))