import std.algorithm;
import std.array;
import std.ascii;
import std.bigint;
import std.complex;
import std.container;
import std.conv;
import std.functional;
import std.math;
import std.range;
import std.stdio;
import std.string;
import std.typecons;

auto readInts() {
	return array(map!(to!int)(readln().strip().split()));
}
auto readInt() {
	return readInts()[0];
}
auto readLongs() {
	return array(map!(to!long)(readln().strip().split()));
}
auto readLong() {
	return readLongs()[0];
}

void readlnTo(T...)(ref T t) {
    auto s = readln().split();
    assert(s.length == t.length);
    foreach(ref ti; t) {
        ti = s[0].to!(typeof(ti));
        s = s[1..$];
    }
}

const real eps = 1e-10;

const long p = 1_000_000_000 + 7;

void main(){
    auto n = readLong();
    auto s1 = readln.chomp();
    auto s2 = readln.chomp();

    if(n == 1) {
        writeln(3);
        return;
    }

    long ans = s1[0] == s1[1] ? 6: 3;
    // aa    ac    ab    ab    ab
    // bb    bc    ac    cd    ab
    foreach(i; iota(n-1)) {

        if(s1[i] != s2[i]) {
            if(s1[i] == s1[i+1]) {
                // aa
                // bb
                continue;
            }
            if(s1[i+1] == s2[i+1]) {
                // ac
                // bc
                continue;
            }
            if(s1[i+1] != s2[i+1]) {
                // ab
                // cd
                ans *= 3;
                ans %= p;
                continue;
            }
        } else {
            if(s1[i+1] != s2[i+1]) {
                // ab
                // ac
                ans *= 2;
                ans %= p;
                continue;
            } else {
                // ab
                // ab
                ans *= 2;
                ans %= p;
                continue;
            }
        }
    }
    writeln(ans);
}

