1#include <bits/stdc++.h>
2using namespace std;
3
4int main() {
5 int n, k;
6 cin >> n >> k;
7
8 vector<int> a(n);
9 for (int& x : a) cin >> x;
10
11 unordered_set<int> seen;
12 for (int x : a) {
13 if (seen.count(k - x)) {
14 cout << "Accepted\n";
15 return 0;
16 }
17 seen.insert(x);
18 }
19 cout << "Keep going\n";
20}