#include <cstdio>
#define NRCUV 26
#define NMAX 1023
#define MOD 104659
using namespace std;
FILE *fin, *fout;
int n, m, d[NMAX][NRCUV+3], sum;
bool check[NRCUV + 3][NRCUV + 3];
char x[3], y[3];
int main()
{
    fin = freopen("nrcuv.in", "r", stdin);
    fout = freopen("nrcuv.out", "w", stdout);
    scanf("%d%d", &n, &m);
    for(int i = 0; i< m; i++)
    {
        scanf("%s%s", x, y);
        check[x[0]-'a'][y[0]-'a'] = 1;
        check[y[0]-'a'][x[0]-'a'] = 1;
    }
    for(int i = 0; i< NRCUV; i++) d[1][i] = 1;
    for(int i = 1; i<= n; i++)
    {
        for(int j = 0; j< NRCUV; j++)
        {
            for(int k = 0; k< NRCUV; k++)
            {
                if(check[j][k]) continue;
                d[i+1][k] += d[i][j];
                d[i+1][k] %= MOD;
            }
        }
    }
    for(int i = 0; i< NRCUV; i++) sum= (sum + d[n][i]) % MOD;
    printf("%d\n", sum);
    fclose(fin);
    fclose(fout);
    return 0;
}