#include <bits/stdc++.h>

[[nodiscard]] static inline constexpr std::string solve(const std::string& S) noexcept
{
	std::string ans(S.size(), '?');
	for (uint_fast32_t i = 0; i < ans.size(); ++i)
		ans[i] = ('<' ^ '>') ^ S[(S.size() - 1) - i];

	return ans;
}

int main()
{
	std::cin.tie(nullptr);
	std::ios::sync_with_stdio(false);
	
	std::string S;
	S.reserve(20), std::cin >> S;

	std::cout << solve(S) << '\n';
	return 0;
}