#include <iostream>
#include <vector>
#include <string>

template <class It>
std::vector<std::pair<typename It::value_type, int>> runlength(
    It begin, It end) {
    using T = typename It::value_type;

    std::vector<std::pair<T, int>> res;
    while (begin != end) {
        const T& c = *(begin++);
        if (res.empty() || c != res.back().first) {
            res.emplace_back(c, 1);
        } else {
            ++res.back().second;
        }
    }

    return res;
}

void solve() {
    int n;
    std::cin >> n;

    std::vector<int> xs(n);
    for (auto& x : xs) std::cin >> x;
    for (auto& x : xs) {
        int y;
        std::cin >> y;
        x ^= y;
    }

    auto ps = runlength(xs.begin(), xs.end());

    int ans = 0;
    for (auto [c, l] : ps) ans += c;
    std::cout << ans << "\n";
}

int main() {
    std::cin.tie(nullptr);
    std::ios::sync_with_stdio(false);

    solve();

    return 0;
}