#include <fstream>

using namespace std;

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

const int nmax = 1000, mmax = 2000, mod = 104659, sigma = 26;

int vm[mmax][2], v[sigma][sigma], d[nmax + 1][sigma];

int main() {
    int n, m;
    fin >> n >> m;
    char z;
    for (int i = 0; i < m; i++) {
        for (int j = 0; j < 2; j++) {
            fin >> z;
            vm[i][j] = z - 'a';
        }
    }
    for (int i = 0; i < m; i++) {
        v[vm[i][0]][vm[i][1]] = 1;
        v[vm[i][1]][vm[i][0]] = 1;
    }
    for (int j = 0; j < sigma; j++) {
        d[1][j] = 1;
    }
    int s = 0;
    for (int i = 2; i <= n; i++) {
        for (int j = 0; j < sigma; j++) {
            s = 0;
            for (int k = 0; k < sigma; k++) {
                if (v[j][k] != 1) {
                    s = (s + d[i - 1][k]) % mod;
                }
            }
            d[i][j] = s;
        }
    }
    int sol = 0;
    for (int j = 0; j < sigma; j++) {
        sol = (sol + d[n][j]) % mod;
    }
    fout << sol;
    return 0;
}