#include <fstream>
#include <iostream>

using namespace std;

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

const int LIT=28, M=2001, MOD=104659;

bool ok[LIT][LIT];

int d[M][27];

int n,m;

void read()
{
    in>>n>>m;
    char c1,c2;
    for(int i=0;i<m;++i)
    {
        in>>c1>>c2;
        ok[c1-'a'][c2-'a']=ok[c2-'a'][c1-'a']=true;
    }
}

int main()
{
    read();
    for(int i=0;i<26;++i)
    {
        d[1][i]=1;
    }
    for(int i=2;i<=n;++i)
    {
        for(int j=0;j<26;++j)
        {
            d[i][j]=0;
            for(int k=0;k<26;++k)
            {
                if(ok[j][k]==false)
                {
                    d[i][j]+=d[i-1][k];
                    d[i][j] %= MOD;//d[i][j] = d[i][j] + d[i-1][k]%MOD
                }
            }
        }
    }
    int ans=0;
    for(int i=0;i<26;++i)
    {
        ans+=d[n][i]%MOD;
        ans%=MOD;
    }
    out<<ans;
    return 0;
}