#include<stdio.h>
int n,k;
int a[30][30];
int v[30][1002];

void read()
{
	freopen("nrcuv.in","r",stdin);
	freopen("nrcuv.out","w",stdout);
	scanf("%d%d\n",&n,&k);
	int i;
	char x,y;
	for(i=1;i<=k;i++)
	{
		scanf("%c %c\n",&x,&y);
		a[x-'a'+1][y-'a'+1]=a[y-'a'+1][x-'a'+1]=1;
	}
}

void rez()
{
	int i,j,k;
	for(i=1;i<=26;i++)
		v[i][1]=1;
	for(j=2;j<=n;j++)
		for(i=1;i<=26;i++)
			for(k=1;k<=26;k++)
				if(a[i][k]==0)
				{
					v[i][j]+=v[k][j-1];
					v[i][j]%=104659;
				}
	int s=0;
	for(i=1;i<=26;i++)
		s=(s+v[i][n])%104659;
	printf("%d",s);
}

int main()
{
	read();
	rez();
	return 0;
}