#include <fstream>
using namespace std;
ifstream fin("nrcuv.in");
ofstream fout("nrcuv.out");
char x,y;
int n,m,a[26][26],s;
int d[1004][26];
///d[i][j]=cate siruri de lungime i se termina cu a j-a litera
int main()
{
    fin>>n>>m;
    for(int i=1;i<=m;i++)
    {
        fin>>x>>y;
        a[x-'a'][y-'a']=a[y-'a'][x-'a']=1;
    }
    for(int i=0;i<26;i++)
        d[1][i]=1;
    for(int i=2;i<=n;i++)
    {
        ///calculez nr de siruri de lungime i
        for(int j=0;j<26;j++)
        {
            ///calculez d[i][j] adica cate siruri de lungime i terminate cu litera j
            ///adaug litera j la finalul unui sir de lungime i-1
            d[i][j]=0;
            ///caut sa pun litera k di[a fiecare litera acceptabila a unui sir
            for(int k=0;k<26;k++)
                if(a[j][k]==0)
                d[i][j]=(d[i][j]+d[i-1][k])%104659;
        }
    }
    for(int i=0;i<26;i++)
        s=(s+d[n][i])%104659;
    fout<<s;
    return 0;
}