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#include <cstdio>
#define MOD 2000003
using namespace std;
int n , k , ramas , R , i , x , inv , ins;
void gcd(int &x, int &y, int a, int b)
{
if (!b)
x = 1, y = 0;
else
{
gcd(x, y, b, a % b);
int aux = x;
x = y;
y = aux - y * (a / b);
}
}
int main()
{
freopen("sandokan.in","r",stdin);
freopen("sandokan.out","w",stdout);
/// combinari de (n - 1) luate cate (n % k - 1)
scanf("%d %d", &n, &k);
for (i = 1; i <= n; ++i)
scanf("%d", &x);
ramas = n % k; ramas--; n--;
/// combinari de (n) luate cate (ramas)
/// n! / ramas! * (n - ramas)!
R = 1; if (ramas < 0) ramas = 0;
for (i = 1; i <= n; ++i)
R = R * i % MOD;
for (i = 1; i <= ramas; ++i)
{
gcd(inv , ins , i , MOD);
if (inv <= 0) inv = MOD + inv % MOD;
R = R * inv % MOD;
}
for (i = 1; i <= n - ramas; ++i)
{
gcd(inv , ins , i , MOD);
if (inv <= 0) inv = MOD + inv % MOD;
R = R * inv % MOD;
}
printf("%d\n", R);
return 0;
}