#include <bits/stdc++.h>

using i32 = std::int32_t;
using u32 = std::uint32_t;
using i64 = std::int64_t;
using u64 = std::uint64_t;
using i128 = __int128_t;
using u128 = __uint128_t;
using isize = std::ptrdiff_t;
using usize = std::size_t;

class rep {
    struct Iter {
        usize itr;
        constexpr Iter(const usize pos) noexcept: itr(pos) { }
        constexpr void operator ++ () noexcept { ++itr; }
        constexpr bool operator != (const Iter& other) const noexcept { return itr != other.itr; }
        constexpr usize operator * () const noexcept { return itr; }
    };
    const Iter first, last;
public:
    explicit constexpr rep(const usize first, const usize last) noexcept: first(first), last(std::max(first, last)) { }
    constexpr Iter begin() const noexcept { return first; }
    constexpr Iter end() const noexcept { return last; }
};

template <class T>
using Vec = std::vector<T>;

void B_main() {
    usize N;
    std::cin >> N;
    Vec<char> S(N), T(N);
    for (auto &x: S) {
        std::cin >> x;
    }
    for (auto &x: T) {
        std::cin >> x;
    }
    std::set<usize> dif;
    for (auto i: rep(0, N)) {
        if (S[i] != T[i]) {
            dif.insert(i);
        }
    }
    usize Q;
    std::cin >> Q;
    while (Q--) {
        char c;
        usize i;
        char y;
        std::cin >> c >> i >> y;
        i -= 1;
        if (c == 'S') {
            S[i] = y;
        }
        else {
            T[i] = y;
        }
        if (S[i] != T[i]) {
            dif.insert(i);
        }
        else {
            dif.erase(i);
        }
        if (dif.empty()) {
            std::cout << "=\n";
        }
        else {
            const auto k = *dif.begin();
            std::cout << (S[k] < T[k] ? '<' : '>') << '\n';
        }
    }
    return;
}

int main() {
    std::ios_base::sync_with_stdio(false);
    std::cin.tie(nullptr);
    B_main();
    return 0;
}