// C++ includes used for precompiling -*- C++ -*-

// Copyright (C) 2003-2013 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.

// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
// <http://www.gnu.org/licenses/>.

/** @file stdc++.h
 *  This is an implementation file for a precompiled header.
 */

// 17.4.1.2 Headers

// C
#ifndef _GLIBCXX_NO_ASSERT
#include <cassert>
#endif
#include <cctype>
#include <cerrno>
#include <cfloat>
#include <ciso646>
#include <climits>
#include <clocale>
#include <cmath>
#include <csetjmp>
#include <csignal>
#include <cstdarg>
#include <cstddef>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>

#if __cplusplus >= 201103L
#include <ccomplex>
#include <cfenv>
#include <cinttypes>
#include <cstdalign>
#include <cstdbool>
#include <cstdint>
#include <ctgmath>
#include <cwchar>
#include <cwctype>
#endif

// C++
#include <algorithm>
#include <bitset>
#include <complex>
#include <deque>
#include <exception>
#include <fstream>
#include <functional>
#include <iomanip>
#include <ios>
#include <iosfwd>
#include <iostream>
#include <istream>
#include <iterator>
#include <limits>
#include <list>
#include <locale>
#include <map>
#include <memory>
#include <new>
#include <numeric>
#include <ostream>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <stdexcept>
#include <streambuf>
#include <string>
#include <typeinfo>
#include <utility>
#include <valarray>
#include <vector>

#if __cplusplus >= 201103L
#include <array>
#include <atomic>
#include <chrono>
#include <condition_variable>
#include <forward_list>
#include <future>
#include <initializer_list>
#include <mutex>
#include <random>
#include <ratio>
#include <regex>
#include <scoped_allocator>
#include <system_error>
#include <thread>
#include <tuple>
#include <typeindex>
#include <type_traits>
#include <unordered_map>
#include <unordered_set>
#endif

using namespace std;

int n,m;

int din[1009][39];

vector <int> prieteni[30];

bool este[30][30];

int main()
{
	ifstream fin ("nrcuv.in");
	ofstream fout ("nrcuv.out");
	fin>>n>>m;
	for (int i=1;i<=m;++i)
	{
		int x,y;
		char ch1,ch2;
		fin>>ch1>>ch2;
		x=ch1-'a'+1;
		y=ch2-'a'+1;
		este[x][y]=1;
	}
	for (int i=1;i<='z'-'a'+1;++i)
	{
		din[1][i]=1;
	}
	for (int i=1;i<='z'-'a'+1;++i)
	{
		for (int j=1;j<='z'-'a'+1;++j)
		{
			if (!este[i][j])
			{
				prieteni[i].push_back(j);
			}
		}
	}
	for (int i=2;i<=n;++i)
	{
		for (int j=1;j<='z'-'a'+1;++j)
		{
			for (int ind=0;ind<prieteni[j].size)
			{
				int cpos=prieteni[j].at(ind);
				din[i][cpos]+=din[i-1][j];
				din[i][cpos]%=104659;
			}
		}
	}
	int ans=0;
	for (int i=1;i<='z'-'a'+1;++i)
	{
		ans+=din[n][i];
	}
	while (ans<0)
	{
		ans+=104659;
	}
	fout<<ans;
}