#include <fstream>
using namespace std;

ifstream in("nrcuv.in");
ofstream out("nrcuv.out");
const int N =1000;
const int NL=26;
const int MOD=104659;

int nrc[N+1][NL];
bool inc[NL][NL];

int main(){
    int n, m;
    in>>n>>m;
    for(int i=0; i<m; i++){
        char c1, c2;
        in>> c1 >> c2;
        inc[c1-'a'][c2-'a']=inc[c2-'a'][c1-'a']=true;

    }
    for(int j=0; j<NL; j++){
        nrc[1][j]=1;
    }
    for(int i=2; i<=n; i++){
        for(int j=0; j<NL; j++){
            for(int k= 0; k<NL; k++){
                if(!inc[k][j]){
                    nrc[i][j] += nrc[i-1][k];
                    if(nrc[i][j]>=MOD){
                        nrc[i][j]-=MOD;
                    }
                }
            }
        }
    }
    int rez=0;
    for (int j = 0; j < NL; j++)
    {
        rez += nrc[n][j];
        if (rez >= MOD)
        {
            rez -= MOD;
        }
    }
    out << rez << "\n";

    in.close();
    out.close();
    return 0;
}