// iostream is too mainstream
#include <cstdio>
// bitch please
#include <iostream>
#include <algorithm>
#include <cstdlib>
#include <vector>
#include <set>
#include <map>
#include <queue>
#include <stack>
#include <list>
#include <cmath>
#include <iomanip>
#define dibs reserve
#define OVER9000 1234567890
#define ALL_THE(CAKE,LIE) for(auto LIE =CAKE.begin(); LIE != CAKE.end(); LIE++)
#define tisic 47
#define soclose 1e-6
#define chocolate win
// so much chocolate
#define patkan 9
#define ff first
#define ss second
#define abs(x) ((x < 0)?-(x):x)
#define uint unsigned int
using namespace std;
// mylittledoge

int main() {
	cin.sync_with_stdio(0);
	cin.tie(0);
	int N,K;
	cin >> N >> K;
	vector<bool> M(K,false);
	M[0] =true;
	for(int i =0; i < N; i++) {
		int a; cin >> a;
		a %=K; if(a < 0) a +=K;
		vector<bool> Mo =M;
		for(int j =0; j < K; j++) M[j] =false;
		for(int j =0; j < K; j++) if(Mo[j]) {
			M[(j+a)%K] =true;
			M[(j+K-a)%K] =true;}
		}

	if(M[0]) cout << "Divisible\n";
	else cout << "Not divisible\n";
	return 0;}

// look at my code
// my code is amazing