#include <iostream>
#include <string>
#include <sstream>
#include <map>
#include <vector>
#include <cstdio>
using namespace std;

#define N 10
int fact[N];

int check(map<string,int>& cnt, int m) {
	for (map<string,int>::iterator it=cnt.begin();it!=cnt.end();++it)
		if (it->second%m!=0)
			return 0;
	return 1;
}

int calc(map<string,int>& cnt, int div, int p) {
	int res=fact[p];
	for (map<string,int>::iterator it=cnt.begin();it!=cnt.end();++it)
		res/=fact[it->second/div];
	return res;
}

int main() {
	fact[0]=1;
	for (int i=1;i<N;++i) fact[i]=fact[i-1]*i;

	string line;
	getline(cin,line);
	istringstream iss(line);
	string token;
	map<string,int> cnt;
	while(iss>>token) ++cnt[token];

	int ans=0;
	ans+=calc(cnt,1,8);
	if (check(cnt,2))	ans+=9*calc(cnt,2,4);
	if (check(cnt,4))	ans+=6*calc(cnt,4,2);

	vector<string> idx;
	for (map<string,int>::iterator it=cnt.begin();it!=cnt.end();++it)
		if (it->second%3!=0) 
			idx.push_back(it->first);
	if (idx.size()==1) {
		cnt[idx[0]]-=2;
		ans+=8*calc(cnt,3,2);
	} else if (idx.size()==2) {
		--cnt[idx[0]];
		--cnt[idx[1]];
		ans+=16*calc(cnt,3,2);
	}
	ans/=24;
	printf("%d\n",ans);
}