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#include<iostream>
using namespace std;
#include<fstream>
int a[1000][27],i,j,n,m,c[27][27],q,w,u,s;
char d,e;
int main()
{
ifstream f("nrcuv.in");
ofstream g("nrcuv.out");
f>>n>>m;
for(i=1;i<=m;i++)
{
f>>e;
f>>d;
c[d-96][e-96]=c[e-96][d-96]=1;
}
for(i=1;i<=26;i++)
a[1][i]=1;
for(i=2;i<=n;i++)
{
for(j=1;j<=26;j++)
for(u=1;u<=26;u++)
if(c[j][u]==0)
{
a[i][j]=(a[i][j]+a[i-1][u])%104659;
}
}
for(i=1;i<=26;i++)
s=(s+a[n][i])%104659;
g<<s;
}