#include <fstream>

using namespace std;
ifstream f("nrcuv.in");
ofstream g("nrcuv.out");
char x,y;
int sol,i,j,n,m,a[26][26], D[1001][26];
/// D[i][j] se termina cu litera j+1
int main()
{
    f>>n>>m;
    for (i=1;i<=m;i++){
        f>>x>>y;
        a[x-'a'][y-'a']=1;
        a[y-'a'][x-'a']=1;
    }
    for(i=0;i<26;i++) D[1][i]=1;
    for(i=2;i<=n;i++){
        for(j=0;j<26;j++){
            D[i][j]=0;
            for(int k=0;k<26;k++)
                if(a[k][j]==0){
                    D[i][j]+=D[i-1][k];
                    if(D[i][j]>=104659)
                        D[i][j]-=104659;
                }
        }
    }
    sol=0;
    for(i=0;i<26;i++){
        sol+=D[n][i];
        if(sol>=104659)
                sol-=104659;
    }
    g<<sol;
    return 0;
}