#include <fstream>
#define MOD 104659

using namespace std;

int n,m,dp[1001][26],v[26][26];

int main()
{  ifstream fin("nrcuv.in");
   ofstream fout("nrcuv.out");
    char x,y;
    int i,j,k;
    fin>>n>>m;
    while(m--)
    {
        fin>>x>>y;
        v[x-'a'][y-'a']=v[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(!v[j][k])
                    dp[i][k]=(dp[i][k]+dp[i-1][j])%MOD;
    for(i=0;i<25;++i)
        dp[n][25]+=dp[n][i];
    fout<<dp[n][25]%MOD<<"\n";
    return 0;
}