import itertools
a=input()
b=input()
c=input()
X=set()
for i in range(1,len(a)+1):
    for j in range(1,len(b)+1):
        for k in range(1,len(c)+1):
            for I in itertools.permutations([a[:i],b[:j],c[:k]]):
                s="".join(I)
                X.add(s)

print(len(X))