#include <iostream>
#include <fstream>

using namespace std;

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

int d[1001][26];

bool a[26][26];

long long sum(int n, int j){
    if(j==25){
        return d[n][25];
    }
    return d[n][j]+sum(n, j+1)%104659;
}

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