#include <iostream>
#include <array>

constexpr int MAX_N = 21;

// 编译期生成斐波那契数列
constexpr std::array<int, MAX_N> make_fib() {
    std::array<int, MAX_N> fib{}; // 零初始化
    fib[0] = 1;
    fib[1] = 1;
    for (int i = 2; i < MAX_N; ++i) {
        fib[i] = fib[i - 1] + fib[i - 2];
    }
    return fib;
}

static constexpr auto fib = make_fib();

int x;

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

    std::cin >> x;
    while (std::cin >> x) {
        std::cout << fib[x - 1] << std::endl;
    }

    return 0;
}