#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 - 1; 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: In function 'int main()':
/sandbox/1/a.cpp:9:25: error: taking address of temporary [-fpermissive]
         scanf("%d",&(p+i));
                         ^
/sandbox/1/a.cpp:9:15: warning: format '%d' expects argument of type 'int*', but argument 2 has type '__gnu_cxx::__normal_iterator<int*, std::vector<int> >*' [-Wformat=]
         scanf("%d",&(p+i));
               ^~~~ ~~~~~~
/sandbox/1/a.cpp:5:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d,%d",&n ,&k);
     ~~~~~^~~~~~~~~~~~~~~~
/sandbox/1/a.cpp:9:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",&(p+i));
         ~~~~~^~~~~~~~~~~~~