#define STOPIT
#include <bits/stdc++.h>
#define loop(n) for (lint ngtkana_is_a_genius = 0; ngtkana_is_a_genius < lint(n); ngtkana_is_a_genius++)
#define rep(i, begin, end) for (lint i = lint(begin); (i) < lint(end); i++)
#define all(v) v.begin(), v.end()
#define rand(l, r) std::uniform_int_distribution<>(l, r)(mt)
using lint = long long;
auto mt = std::mt19937_64(std::random_device{}());
auto cmn = [](auto& a, auto b){ if (a > b) {a = b; return true;} return false; };
auto cmx = [](auto& a, auto b){ if (a < b) {a = b; return true;} return false; };
void debug_impl() { std::cerr << std::endl; }
template <typename Head, typename... Tail>
void debug_impl(Head head, Tail... tail) { std::cerr << " " << head; debug_impl(tail...); }
#ifndef STOPIT
#define debug(...)\
	do {\
		std::cerr << std::boolalpha << "[" << #__VA_ARGS__ << "]:";\
		debug_impl(__VA_ARGS__);\
		std::cerr << std::noboolalpha;\
	} while (false)
#else
#define debug(...) {}
#endif

template < typename Container, typename Value = typename Container::value_type, std::enable_if_t<!std::is_same< Container, std::string >::value, std::nullptr_t> = nullptr>
std::istream& operator>> (std::istream& is, Container& v)
	{ for (auto & x : v) { is >> x; } return is; }

template < typename Container, typename Value = typename Container::value_type, std::enable_if_t<!std::is_same< Container, std::string >::value, std::nullptr_t> = nullptr >
std::ostream& operator<< (std::ostream& os, Container const& v) {
 os << "{";
	for (auto it = v.begin(); it != v.end(); it++)
		{os << (it != v.begin() ? "," : "") << *it;}
	return os << "}";
}

template <typename T>
auto make_vector_impl(size_t sz, T t) {return std::vector<T>(sz, t);}

template <size_t N, typename T, typename U, std::enable_if_t<N == 1, std::nullptr_t> = nullptr>
auto make_vector(size_t sz, U u) {return make_vector_impl(sz, T(u));}

template <size_t N, typename T, std::enable_if_t<N == 1, std::nullptr_t> = nullptr>
auto make_vector(size_t sz) {return std::vector<T>(sz);}

template <size_t N, typename T, typename... Args, std::enable_if_t<N != 1, std::nullptr_t> = nullptr>
auto make_vector(size_t a, Args... args) {return make_vector_impl(a, make_vector<N - 1, T>(args...));}

template <typename T, typename Size_t>
auto& at(T& t, Size_t i) {return t.at(i);}

template <typename T, typename Size_t, typename... Args>
auto& at(T& t, Size_t i, Args... args) {return at(t.at(i), args...);}

template <typename T>
T inverse(T a, T m) {
	T u = 0, v = 1;
	while (a != 0) {
		T t = m / a;
		m -= t * a; std::swap(a, m);
		u -= t * v; std::swap(u, v);
	}
	assert(m == 1);
	return u;
}
template <typename T>
class modular {
	private:
		int value;
	public:
		constexpr modular() = default;
		constexpr modular(const modular&) = default;
		constexpr modular(modular&&) = default;
		modular& operator=(const modular&) = default;
		modular& operator=(modular&&) = default;

		template <typename U>
		modular (const U& x) {value = normalize(x);}

		template <typename U>
		static auto normalize(const U& x) {
			int v = static_cast<int>(-mod() <= x && x < mod() ? x : x % mod());
			if (v < 0) v += mod();
			return v;
		}

		auto const& operator()() const { return value; }
		template <typename U>
		explicit operator U() const { return static_cast<U>(value); }
		constexpr static auto mod() { return T::value; }

		auto& operator+=(const modular& other) {
			if ((value += other.value) >= mod()) value -= mod();
			return *this;
		}
		auto& operator-=(const modular& other) {
			if ((value -= other.value) < 0) value += mod();
			return *this;
		}
		template <typename U>
		auto& operator+=(const U& other) {return *this += modular(other); }
		template <typename U>
		auto& operator-=(const U& other) {return *this -= modular(other); }
		auto operator-() const { return modular(-value); }
		auto& operator++() {return *this += 1;}
		auto& operator--() {return *this -= 1;}
		auto  operator++(int) {modular result(*this); operator++(); return result;}
		auto  operator--(int) {modular result(*this); operator--(); return result;}

		template <typename U = T>
		auto& operator*=(const modular& rhs) {
			value = normalize(static_cast<int64_t>(value) * static_cast<int64_t>(rhs.value));
			return *this;
		}
		auto& operator/=(const modular& other) {
			return *this *= modular(inverse(other.value, mod()));
		}
};
template <typename T> struct is_modular : std::false_type {};
template <typename T> struct is_modular <modular<T>> : std::true_type{};
template <typename T> constexpr bool is_modular_v = is_modular<T>::value;

template <typename T> bool operator==(const modular<T>& lhs, const modular<T>& rhs) { return lhs() == rhs(); }
template <typename T, typename U> bool operator==(const modular<T>& lhs, U rhs) { return lhs == modular<T>(rhs); }
template <typename T, typename U> bool operator==(U lhs, const modular<T>& rhs) { return modular<T>(lhs) == rhs; }

template <typename T> bool operator!=(const modular<T>& lhs, const modular<T>& rhs) { return !(lhs == rhs); }
template <typename T, typename U> bool operator!=(const modular<T>& lhs, U rhs) { return !(lhs == rhs); }
template <typename T, typename U> bool operator!=(U lhs, const modular<T>& rhs) { return !(lhs == rhs); }

template <typename T> modular<T> operator+(const modular<T>& lhs, const modular<T>& rhs) { return modular<T>(lhs) += rhs; }
template <typename T, typename U> modular<T> operator+(const modular<T>& lhs, U rhs) { return modular<T>(lhs) += rhs; }
template <typename T, typename U> modular<T> operator+(U lhs, const modular<T>& rhs) { return modular<T>(lhs) += rhs; }

template <typename T> modular<T> operator-(const modular<T>& lhs, const modular<T>& rhs) { return modular<T>(lhs) -= rhs; }
template <typename T, typename U> modular<T> operator-(const modular<T>& lhs, U rhs) { return modular<T>(lhs) -= rhs; }
template <typename T, typename U> modular<T> operator-(U lhs, const modular<T>& rhs) { return modular<T>(lhs) -= rhs; }

template <typename T> modular<T> operator*(const modular<T>& lhs, const modular<T>& rhs) { return modular<T>(lhs) *= rhs; }
template <typename T, typename U> modular<T> operator*(const modular<T>& lhs, U rhs) { return modular<T>(lhs) *= rhs; }
template <typename T, typename U> modular<T> operator*(U lhs, const modular<T>& rhs) { return modular<T>(lhs) *= rhs; }

template <typename T> modular<T> operator/(const modular<T>& lhs, const modular<T>& rhs) { return modular<T>(lhs) /= rhs; }
template <typename T, typename U> modular<T> operator/(const modular<T>& lhs, U rhs) { return modular<T>(lhs) /= rhs; }
template <typename T, typename U> modular<T> operator/(U lhs, const modular<T>& rhs) { return modular<T>(lhs) /= rhs; }

template<typename T, typename U>
modular<T> power (const modular<T>& a, U b) {
	assert(b >= 0);
	modular<T> x = a, ret = 1;
	for (; b > 0; b /= 2) {
		if (b % 2 == 1) ret *= x;
		x *= x;
	}
	return ret;
}

template <typename T>
std::string to_string(const modular<T>& a) {
	return std::to_string(a());
}
template <typename T>
auto operator<<(std::ostream& os, const T& a)
	-> std::enable_if_t<is_modular_v<T>, std::ostream&>{
		return os << a();
	}
template <typename T>
auto operator>>(std::istream& is, T& a)
	-> std::enable_if_t<is_modular_v<T>, std::istream&> {
	long long x; is >> x;
	a = T(x);
	return is;
}

// using mod_type = int;

// struct variable_mod { static mod_type value; };
// mod_type variable_mod::value;
// mod_type& mod = variable_mod::value;
// using mint = modular< variable_mod >;

constexpr int mod = 1'000'000'007;
using mint = modular<std::integral_constant<std::decay_t<decltype(mod)>, mod>>;

int main() {
	std::cin.tie(0); std::cin.sync_with_stdio(false);
	int n; std::cin >> n;
	auto a = make_vector<2,char>(2,n);
	rep(i,0,2) rep(j,0,n) {
		char c; std::cin >> c;
		at(a,i,j) = c;
	}
	debug(a);

	std::vector<int> b;
	rep(j,0,n) {
		if (at(a,0,j) == at(a,1,j)) {
			b.emplace_back(1);
		} else {
			b.emplace_back(2);
			j++;
		}
	}
	int sz = b.size();
	debug(sz, b);

	mint ans = 1;
	ans *= b.front() == 1 ? 3 : 6;
	rep(i,0,sz-1) {
		int x = b.at(i), y = b.at(i+1);
		auto z = [&] () -> mint {
			if (x==1 && y==1) return 2;
			if (x==1 && y==2) return 2;
			if (x==2 && y==1) return 1;
			if (x==2 && y==2) return 3;
			throw;
		}();
		debug(z);
		ans *= z;
	}
	std::cout << ans << std::endl;
	return 0;
}

Measured memory_bytes: 256