#include <bits/stdc++.h>
#define NMAX 1000
#define MMAX 26
#define MOD 104659
#define ll long long

using namespace std;

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

int n, m, ans;
int dp[NMAX + 2][MMAX];
char c1, c2;
bool fr[MMAX][MMAX];

int main() {
    ios_base::sync_with_stdio(false);
    fin.tie(NULL);
    fout.tie(NULL);

    fin >> n >> m;
    while (m--) {
        fin >> c1 >> c2;
        fr[c1 - 'a'][c2 - 'a'] = fr[c2 - 'a'][c1 - 'a'] = 1;
    }

    for (int lit = 0; lit <= 25; lit++) {
        dp[1][lit] = 1;
    }
    for (int i = 2; i <= n; i++) {
        for (int lit_1 = 0; lit_1 <= 25; lit_1++) {
            for (int lit_2 = 0; lit_2 <= 25; lit_2++) {
                if (!fr[lit_1][lit_2]) {
                    dp[i][lit_1] += dp[i - 1][lit_2];
                    if (dp[i][lit_1] >= MOD) {
                        dp[i][lit_1] -= MOD;
                    }
                }
            }
        }
    }

    for (int lit = 0; lit <= 25; lit++) {
        ans += dp[n][lit];
        if (ans >= MOD) {
            ans -= MOD;
        }
    }

    fout << ans;
    return 0;
}