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#include<fstream>
using namespace std;
ifstream f("nrcuv.in");
ofstream g("nrcuv.out");
int n, sol, m, viz[30][30], fr[30], nr[1008][30];
char a, b;
int main()
{
f>>n>>m;
for(int i=1;i<=m;i++)
{
f>>a>>b;
viz[a-'a'][b-'a']=viz[b-'a'][a-'a']=1;
}
/*sol=1;
for(int i=1;i<=n;i++)
{
for(int j=0;j<26;j++)
sol=(sol*(26-fr[j]))%104659;
}*/
for(int k=1;k<=n;k++)
{
for(int i=0;i<26;i++)
{
if(k==1)
nr[k][i]=1;
else
{
for(int j=0;j<26;j++)
if(viz[i][j]==0)
{
nr[k][i]+=nr[k-1][j];
nr[k][i]%=104659;
}
}
}
}
for(int j=0;j<26;j++)
{
sol+=nr[n][j];
sol%104659;
}
g<<sol;
return 0;
}