#include <iostream>
#include <fstream>
#include <string>

using namespace std;

int main() {
//	int n;
	long long int a;
	string st, line;
	cin >> st;
	ifstream in(st);
	//fout.open(st);
	long long int x1 = 0, x2 = 0, x3 = 0, x4 = 0, x5 = 0, answ = 0, answ2 = 0, s = 0, t = 0;
	if (in.is_open()) {
	//	cin >> n;
	//	cout << t << endl;
		while (getline(in, line)) {
			if (t > 0) {
				//cout << line << endl;
				t++;
			//	cout << t << endl;
				a = stoi(line);
				//cout << a + 1 << endl;
				if (t < 7)
				{
					//cin >> a;
					if (t - 2 == 0)
					{
						x1 = a;
						continue;

					}
					if (t - 2 == 1)
					{
						x2 = a;
						continue;
					}
					if (t - 2 == 2)
					{
						x3 = a;
						continue;
					}
					if (t - 2 == 3)
					{
						x4 = a;
						continue;
					}
					if (t - 2 == 4)
					{
						x5 = a;
						continue;
					}
				}
			//	cin >> a;
				if ((t - 1) % 5 == 1)
				{
					if (x1 % 2 == 0)
						++answ;
					else
						++answ2;
					x1 = a;
					if (x1 % 2 == 0)
						s += answ;
					else
						s += answ2;

				}
				if ((t - 1) % 5 == 2)
				{
					if (x2 % 2 == 0)
						++answ;
					else
						++answ2;
					x2 = a;
					if (x2 % 2 == 0)
						s += answ;
					else
						s += answ2;
				}
				if ((t - 1) % 5 == 3)
				{
					if (x3 % 2 == 0)
						++answ;
					else
						++answ2;
					x3 = a;
					if (x3 % 2 == 0)
						s += answ;
					else
						s += answ2;
				}
				if ((t - 1) % 5 == 4)
				{
					if (x4 % 2 == 0)
						++answ;
					else
						++answ2;
					x4 = a;
					if (x4 % 2 == 0)
						s += answ;
					else
						s += answ2;
				}
				if ((t - 1) % 5 == 0)
				{
					if (x5 % 2 == 0)
						++answ;
					else
						++answ2;
					x5 = a;
					if (x5 % 2 == 0)
						s += answ;
					else
						s += answ2;
				}
			}
			else
				++t;
		}
	}
	in.close();

	cout << s;
}