#include<bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
#ifdef LOCAL
#include <algo/debug.h>
#else
#define debug(...) void(0)
#endif
int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    fixed(cout).precision(12);
    int N, K; cin >> N >> K;
    vector<int> A(N); for(int i = 0; i < N; i++) cin >> A[i];
    map<int, int> MP; for(int i = 0; i < N; i++) MP[A[i]]++;
    for(auto&&[a, c]: MP) {
        if((a != 0 && c + MP[0] >= K) || (a == 0 && c >= K)) {
            cout << "Yes" << endl;
            return 0;
        }
    }
    cout << "No" << endl;
}