#include <iostream>

int main() {
    using u32 = unsigned int;
    u32 n;
    std::cin >> n;
    
    auto f = [&](u32 a, u32 b) -> u32 {
        return std::popcount(a) == std::popcount(b) ? a & b : 0;
    };

    u32 ans = 0;
    for(u32 a = 0; a <= n; a++) {
        for(u32 b = a; b <= n; b++) {
            ans += f(a, b);
        }
    }
    std::cout << ans << std::endl;
}