#include<fstream>
using namespace std;
long optim[1001][27],viz[27][27],sum;
int main()
{
	ifstream fin("nrcuv.in");
	ofstream fout("nrcuv.out");
	int m,n,i,j,k;
	char x,y;
	fin>>n>>m;
	for(i=0;i<26;++i) optim[1][i]=1;
	for(i=1;i<=m;++i)
	{
		fin>>x>>y;
		viz[x-'a'][y-'a']=viz[y-'a'][x-'a']=1;
	}
	for(k=2;k<=n;++k)
	{
		for(i=0;i<26;++i)
		{
			for(j=0;j<26;++j)
			{
				if(!viz[i][j])
				{
					optim[k][i]=optim[k][i]+optim[k-1][j];
					optim[k][i]%=104659;
				}
			}
		}
	}
	for(i=0;i<26;++i)
	{
		sum=sum+optim[n][i];
		sum%=104659;
	}
	fout<<sum;
	fin.close();
	fout.close();
	return 0;
}