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

ll mp(ll n, ll o) { return (n ^ o) % 16777216; }

int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);

	vector<int> secrets;
	int n;
	while (cin >> n) {
		secrets.push_back(n);
	}

	ll count = 0;
	for (ll s : secrets) {
		for (int i = 0; i < 2000; i++) {
			s = mp(s * 64, s);
			s = mp(s / 32, s);
			s = mp(s * 2048, s);
		}
		count += s;
	}
	cout << count << '\n';
}