#include <cstdio>

FILE *in = fopen("nrcuv.in","r"), *out = fopen("nrcuv.out","w");

int rez[1002][27] = {{0}};
int p[26][26] = {{0}};

int n, m;

void read()
{
    char a, b;
    fscanf(in, "%d %d", &n, &m);
    for ( int i = 0; i < m; ++i )
    {
        fscanf(in, "%1s %1s", &a, &b);
        p[a-'a'+1][b-'a'+1] = 1;
        p[b-'a'+1][a-'a'+1] = 1;
    }

}

int main()
{
    read();

    for ( int j = 1; j <= 26; ++j )
        rez[1][j] = 1;

    for ( int i = 2; i <= n; ++i )
        for ( char j = 'a'; j <= 'z'; ++j )
            for ( char k = 'a'; k <= 'z'; ++k )
            {
                if ( p[j-'a'][k-'a'] == 0 )
                    rez[i][j-'a'+1] = (rez[i][j-'a'+1] + rez[i-1][k-'a'+1]) % 104659;
            }

//    for ( int i = 1; i <= n; ++i )
//    {
//        for ( int j = 1; j <= 26; ++j )
//            printf("%d ", rez[i][j]);
//        printf("\n");
//    }

    int s = 0;

    for ( int i = 1; i <= 26; ++i )
        s = (s + rez[n][i]) % 104659;

    fprintf(out, "%d\n", s);

	return 0;
}