from itertools import permutations

l=[input() for i in range(3)]
P=list(permutations(l))
st=set()
for p in P:
    x,y,z=p
    for i in range(1,len(x)+1):
        for j in range(1,len(y)+1):
            for k in range(1,len(z)+1):
                s=x[:i]+y[:j]+z[:k]
                st.add(s)

print(len(st))