#include<iostream>
#include<fstream>
using namespace std;

ifstream f("nrcuv.in");
ofstream g("nrcuv.out");

int n,m,v[1005][27],dp[1005][27];
bool litere[27][27];

void citire()
{
    f>>n>>m;
    for(int i=1;i<=m;i++)
    {
        char a,b;
        f>>a>>b;
        litere[a-'a'+1][b-'a'+1] = true;
        litere[b-'a'+1][a-'a'+1] = true;
    }
}

void solve()
{
    for(int i=1;i<=26;i++)
        dp[1][i] = 0;
    for(int i=2;i<=n;i++)
    {
        for(int j=1;j<=26;j++)
        {
            dp[i][j] = dp[i-1][j] + 26;
            for(int k=1;k<=26;k++)
            {
                if(litere[j][k] == true)
                {
                    dp[i][j] --;
                }
            }
            dp[i][j] = dp[i][j] % 104659;
        }
    }
    int suma = 0;
    for(int i=1;i<=26;i++)
        suma = suma + dp[n][i];
    g<<suma;
}

int main()
{
    citire();
    solve();
}