#include<bits/stdc++.h>
using namespace std;

int main() {
	vector<string> s(3); for (auto& i : s) cin >> i;
	
	vector<vector<string>> pref(3);
	for (int i=0; i<3; i++) for (int j=1; j<=(int)s[i].size(); j++) pref[i].push_back(s[i].substr(0, j));
	set<string> st;
	vector<int> perm(3); iota(perm.begin(), perm.end(), 0);
	do { for (auto& i : pref[perm[0]]) for (auto& j : pref[perm[1]]) for (auto& k : pref[perm[2]]) st.insert(i+j+k); } while (next_permutation(perm.begin(), perm.end()));
	
	cout << st.size() << '\n';
}