#include <iostream>
#include <vector>

int main()
{
    uint32_t n;
    std::cin >> n;

    std::vector<std::pair<uint32_t, uint32_t>> level{{0, 1}, { 1,0 }};
    std::vector<std::pair<uint32_t, uint32_t>> next_level(3);
    for (uint32_t i = 0; i < n; i++) {
        uint32_t added = 0;
        for (uint32_t j = 0; j < level.size() - 1; j++) {
            next_level[j + added] = level[j];

            std::pair<uint32_t, uint32_t> left = level[j];
            std::pair<uint32_t, uint32_t> right = level[j + 1];

            next_level[j + added + 1] = std::make_pair(left.first + right.first, left.second + right.second);
            added++;
        }

        next_level[level.size() - 1 + added] = level[level.size() - 1];
        level = next_level;
        next_level.erase(next_level.begin(), next_level.end());
        next_level.resize(level.size() * 2 - 1);
    }

    for (const std::pair<uint32_t, uint32_t>& fraction : level)
        std::cout << fraction.first << "/" << fraction.second << " ";

    return 0;
}