#include <iostream>
#include <fstream>

using namespace std;

ifstream in("nrcuv.in");
ofstream out("nrcuv.out");

int d[1001][26];

bool a[26][26];

int sum(int n, int j){
    if(j==25){
        return d[n][25];
    }
    return d[n][j]+sum(n, j+1);
}

int main()
{
    int n, m;
    in>>n>>m;
    for(int j=0; j<26; j++){
        d[1][j]=1;
    }
    for(int j=0; j<26; j++){
        for(int k=0; k<26; k++){
            d[2][j]+=d[1][k];
        }
    }
    for(int k=0; k<m; k++){
        char x, y;
        in>>x>>y;
        if(a[x-'a'][y-'a']==0 && a[y-'a'][x-'a']==0){
            a[x-'a'][y-'a']=a[y-'a'][x-'a']=1;
            d[2][y-'a']--;
            if(x!=y){
                d[2][x-'a']--;
            }
        }
    }
    for(int i=3; i<=n; i++){
        for(int j=0; j<26; j++){
            for(int k=0; k<26; k++){
                d[i][j]+=d[i-1][k];
            }
        }
    }
    out<<sum(n, 0)%104659;
    return 0;
}