bool findp(const std::vector<int> &f, int num) {
	int size = f.size();

	for (int i = 0; i < size; i++) {
		int j = i+1;
		while (j < size) {
			if (f[i] + f[j] == num) {
				std::cout << "i: " << i << " j: " << j << std::endl;
				return true;
			}
			else {
				j++;
			}
		}
	}
}