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#include<fstream>
using namespace std;
ifstream fi("nrcuv.in");
ofstream fo("nrcuv.out");
bool A[30][30];
int i,k,j,rez,n,m,X[1001][30];
char c1,c2;
int main()
{
fi>>n>>m;
for(i=1; i<=m; i++)
{
fi>>c1>>c2;
A[c1-'a'][c2-'a']=A[c2-'a'][c1-'a']=true;
}
for(i=0; i<26; i++)
X[0][i]=1;
for(i=1; i<n; i++)
for(j=0; j<26; j++)
for(k=0; k<26; k++)
if(!A[k][j])
X[i][j]=(X[i][j]+X[i-1][k])%104659;
for (i=0; i<26; i++)
rez=(rez+X[n-1][i])%104659;
fo<<rez;
return 0;
}