#include <iostream>
#include <fstream>
#include <cstring>
using namespace std;
ifstream fin("nrcuv.in");
ofstream fout("nrcuv.out");
int n,m,V[2][30],A[30][30],nr,S,i,j,k;
char a,b;
int main()
{fin>>n>>m;
for(i=1;i<=m;i++){
    fin>>a>>b;
    A[a-'a'][b-'a']=1;
    A[b-'a'][a-'a']=1;}
for(i=0;i<='z'-'a';i++)
    V[0][i]=1;
int t=1;
for(i=2;i<=n;i++){
    for(j=0;j<='z'-'a';j++){
        for(k=0;k<='z'-'a';k++)
            if(A[j][k]==0)
        V[t][j]=(V[1-t][k]+V[t][j])%104659;}
    for(j=0;j<='z'-'a';j++)
       V[1-t][j]=0;
    t=1-t;
}
for(i=0;i<='z'-'a';i++)
    S=(S+V[1-t][i])%104659;
fout<<S;


    return 0;
}