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#include <iostream>
#include <fstream>
#define mod 104659
using namespace std;
long long prieten[2002][2002],dp[1002][150],j,m,n,s;
char s1,s2,l,lc,la,i;
int main()
{
ifstream f("nrcuv.in");
ofstream g("nrcuv.out");
f>>n>>m;
for (j=1;j<=m;j++)
{
f>>s1>>s2;
prieten[s1][s2]=1;
prieten[s2][s1]=1;
}
for(i='a';i<='z';i++)
dp[1][i]=1;
for (j=2;j<=n;j++)
{
for(lc='a';lc<='z';lc++)
for(la='a';la<='z';la++)
if(prieten[lc][la]==0)
dp[j][lc]=(dp[j][lc]+dp[j-1][la])% mod;
}
for (l='a';l<='z';l++)
s=s+dp[n][l];
if(n==1) s=26-m;
g<<s%mod;
return 0;
}