#include <fstream>
using namespace std;
bool res[26][26];
int dp[1005][26];

int main() {
    char x, y;
    int n, r, i, j, k, result;
    ifstream f("nrcuv.in");
    ofstream g("nrcuv.out");
    f >> n >> r;
    for(i = 1; i <= r; i++) {
        f >> x >> y;
        res[x - 'a'][y - 'a'] = 1;
        res[y - 'a'][x - 'a'] = 1;
    }
    for(i = 0; i < 26; i++) {
        dp[1][i] = 1;
    }
    for(i = 2; i <= n; i++) {
        for(j = 0; j < 26; j++) {
            for(k = 0; k < 26; k++) {
                if(!res[j][k]) {
                    dp[i][j] = (dp[i][j] + dp[i - 1][k]) % 104659;
                }
            }
        }
    }
    result = 0;
    for(i = 0; i < 26; i++) {
        result = (result + dp[n][i])%104659;
    }
    g << result << '\n';
}