#include <iostream>
#include <quene>
using namespace std;

int main() {
    int n, k, x, flag = 0;
    std::priority_quene<int> a;
    std::priority_quene<int>::iterator p = a.top();
    std::priority_quene<int>::iterator q = ++a.top();
    cin >> n >> k;
    for (int i = 0; i < n; i++) {
        cin >> x;
        a.push(x);
    }
    while (p != a.back()) {
        while (q != a.back) {
            if (*p + *q == k) {
                flag = 1;
                break;
            } else
                q++;
        }
        p++;
    }
    if (flag == 1)
        cout << "Yes";
    else
        cout << "No";
    return 0;
}

/sandbox/1/a.cpp:2:9: fatal error: quene: No such file or directory
 #include<quene>
         ^~~~~~~
compilation terminated.