#include <stdio.h>
#include <vector>
int main {
    int n, k;
    scanf("%d,%d", n, k);
    std::vector<int> a;
    std::vector<int>::iterator p = a.begin();
    for (int i = 0; i < n; i++) {
        scanf("%d", (p + i));
    }
    for (int i = 0; i < n; i++) {
        for (int j = i + 1; j < n; j++) {
            if (*(p + i) + *(p + j) == k) {
                printf("Yes");
            } else {
                printf("No");
            }
        }
    }
    return 0;
}

/sandbox/1/a.cpp:3:5: error: cannot declare '::main' to be a global variable
 int main{
     ^~~~
/sandbox/1/a.cpp:3:9: warning: extended initializer lists only available with -std=c++11 or -std=gnu++11
 int main{
         ^
/sandbox/1/a.cpp:4:5: error: expected primary-expression before 'int'
     int n,k;
     ^~~
/sandbox/1/a.cpp:4:5: error: expected '}' before 'int'
/sandbox/1/a.cpp:3:9: note: to match this '{'
 int main{
         ^
/sandbox/1/a.cpp:5:10: error: expected constructor, destructor, or type conversion before '(' token
     scanf("%d,%d",n ,k);
          ^
/sandbox/1/a.cpp:8:5: error: expected unqualified-id before 'for'
     for(int i=0;i<n;i ++){
     ^~~
/sandbox/1/a.cpp:8:17: error: 'i' does not name a type
     for(int i=0;i<n;i ++){
                 ^
/sandbox/1/a.cpp:8:21: error: 'i' does not name a type
     for(int i=0;i<n;i ++){
                     ^
/sandbox/1/a.cpp:11:5: error: expected unqualified-id before 'for'
     for(int i=0;i<n;i ++){
     ^~~
/sandbox/1/a.cpp:11:17: error: 'i' does not name a type
     for(int i=0;i<n;i ++){
                 ^
/sandbox/1/a.cpp:11:21: error: 'i' does not name a type
     for(int i=0;i<n;i ++){
                     ^
/sandbox/1/a.cpp:20:5: error: expected unqualified-id before 'return'
     return 0;
     ^~~~~~
/sandbox/1/a.cpp:21:1: error: expected declaration before '}' token
 }
 ^