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#include <fstream>
#define MOD 104659
using namespace std;
ifstream fin ("nrcuv.in");
ofstream fout("nrcuv.out");
long long n,m,i,j,l,S,D[1002][28],F[28][28];
char a,b;
int main ()
{
fin>>n>>m;
for(i=1;i<=m;i++)
{
fin>>a>>b;
F[a-96][b-96]=1;
F[b-96][a-96]=1;
}
for(i=2;i<=n;i++)
for(j=1;j<=26;j++)
for(l=1;l<=26;l++)
{
D[1][l]=1LL;
if(!F[j][l])
D[i][j]=(D[i][j]+D[i-1][l])%MOD;
}
for(i=1;i<=26;i++)
S=(S+D[n][i])%MOD;
fout<<S;
return 0;
}