import core.bitop, std.algorithm, std.ascii, std.bigint, std.conv, std.math,
    std.functional, std.numeric, std.range, std.stdio, std.string, std.random,
    std.typecons, std.container, std.format;

// dfmt off
T lread(T = long)(){return readln.chomp.to!T();}
T[] aryread(T = long)(){return readln.split.to!(T[])();}
void scan(TList...)(ref TList Args){auto line = readln.split();
foreach (i, T; TList){T val = line[i].to!(T);Args[i] = val;}}
alias sread = () => readln.chomp();enum MOD = 10 ^^ 9 + 7;
// dfmt on

void main()
{
    long N = lread();
    auto S1 = sread();
    auto S2 = sread();
    long[] S;
    {
        long i = 0;
        while (i < N)
        {
            if (S1[i] == S2[i])
            {
                S ~= 1;
                i++;
            }
            else
            {
                S ~= 2;
                i += 2;
            }
        }
    }
    long ans = (S[0] == 1) ? 3 : 6;
    foreach (i; 1 .. S.length)
    {
        if (S[i] == 1)
        {
            ans *= (S[i - 1] == 1) ? 2 : 1;
        }
        else
        {
            ans *= (S[i - 1] == 1) ? 2 : 3;
        }
        ans %= MOD;
    }
    writeln(ans);
}
