using System;
using System.Text;
using System.Linq;
using System.Collections;
using System.Collections.Generic;
using static System.Console;
using static System.Math;

namespace AtCorder
{
    class Program
    {
        static void Main(string[] args)
        {
            new Program().Solve(new ConsoleInput(Console.In, ' '));
        }
        public void Solve(ConsoleInput cin)
        {
            var N = cin.ReadInt;
            var _S1 = cin.Read;
            var S1 = _S1.ToCharArray();
            var _S2 = cin.Read;
            var S2 = _S2.ToCharArray();
            var S = new List<char>();
            long ans;
            for(int i = 0; i < N; i++)
            {
                if(S1[i] == S2[i])
                {
                    S.Add('X');
                }
                else
                {
                    i++;
                    S.Add('Y');
                }
            }
            if(S[0] == 'X')
            {
                ans = 3L;
            }
            else
            {
                ans = 6L;
            }

            var size = S.Count;
            for(int i = 1; i < size; i++)
            {
                if(S[i] == 'X')
                {
                    if(S[i - 1] == 'X')
                    {
                        ans *= 2;
                    }
                }
                else if(S[i] == 'Y')
                {
                    if (S[i - 1] == 'X')
                    {
                        ans *= 2;
                    }
                    
                    if (S[i - 1] == 'Y')
                    {
                        ans *= 3;
                    }
                }
            }
            var mod = (long)Pow(10, 9) + 7;
            WriteLine(ans % mod);
        }
        
        /*public long C(long n, long r)
        {
            if (r == 0 || r == n) return 1L;
            if (n < r) return 0L;
            long[,] Pascal = new long[n + 1, n + 1];
            Pascal[0, 0] = 1;
            for (long i = 1; i <= n; i++)
            {
                Pascal[i, 0] = 1;
                Pascal[i, i] = 1;
                for (long j = 1; j < n; j++)
                {
                    Pascal[i, j] = Pascal[i - 1, j] + Pascal[i - 1, j - 1];
                }
            }
            return Pascal[n, r];
        }*/

        public class ConsoleInput
        {
            private readonly System.IO.TextReader _stream;
            private char _separator = ' ';
            private Queue<string> inputStream;
            public ConsoleInput(System.IO.TextReader stream, char separator = ' ')
            {
                this._separator = separator;
                this._stream = stream;
                inputStream = new Queue<string>();
            }
            public string Read
            {
                get
                {
                    if (inputStream.Count != 0) return inputStream.Dequeue();
                    string[] tmp = _stream.ReadLine().Split(_separator);
                    for (int i = 0; i < tmp.Length; ++i)
                        inputStream.Enqueue(tmp[i]);
                    return inputStream.Dequeue();
                }
            }
            public string ReadLine { get { return _stream.ReadLine(); } }
            public int ReadInt { get { return int.Parse(Read); } }
            public long ReadLong { get { return long.Parse(Read); } }
            public double ReadDouble { get { return double.Parse(Read); } }
            public string[] ReadStrArray(long N) { var ret = new string[N]; for (long i = 0; i < N; ++i) ret[i] = Read; return ret; }
            public int[] ReadIntArray(long N) { var ret = new int[N]; for (long i = 0; i < N; ++i) ret[i] = ReadInt; return ret; }
            public long[] ReadLongArray(long N) { var ret = new long[N]; for (long i = 0; i < N; ++i) ret[i] = ReadLong; return ret; }
        }
    }
}


Measured memory_bytes: 13396