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#include <stdio.h>
int main()
{
freopen("nrcuv.in", "r", stdin);
freopen("nrcuv.out", "w", stdout);
bool c[30][30];
int n,m,d[1001][30],c[30][30],s,j,i;
char a, b, x;
scanf("%d%d%c", &n, &m, &x);
for(int i=0;i<m;i++)
{
scanf("%c%c%c%c", &a, &x, &b, &x);
c[a-'a'][b-'a']=1;
c[b-'a'][a-'a']=1;
}
for(int i=0;i<26;i++)
d[1][i]=1;
for(int i=2;i<=n;i++)
{
for(j=0;j<26;j++)
for(k=0;k<26;k++)
if(c[j][k]==0)
d[i][j]=(d[i][j]+d[i-1][k])%104659;
}
s=0;
for(i=0;i<26;i++)
s=(s+d[n][i])%104659;
printf("%d", s);
return 0;
}