#include <bits/stdc++.h>
using namespace std;
using ll = long long;

template<class T> istream& operator >> (istream& is, vector<T>& vec) {
    for(T& x : vec) is >> x;
    return is;
}

template<class T> ostream& operator << (ostream& os, const vector<T>& vec) {
    if(vec.empty()) return os;
    os << vec[0];
    for(auto it = vec.begin(); ++it != vec.end(); ) os << ' ' << *it;
    return os;
}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    int n, k, x, y;
    cin >> n >> k >> x >> y;

    if(y == 0){
        cout << "No\n";
        return 0;
    }

    vector<int> ans(n);
    ans[0] = x;
    ans[n - 1] = y;
    if(k == 1){
        for(int i = 1; i + 1 < n; i++){
            ans[i] = ans[i - 1] + 1;
        }
        if(ans[n - 2] < ans[n - 1]){
            cout << "Yes\n" << ans << '\n';
        }else{
            cout << "No\n";
        }
        return 0;
    }else if(k == 2){
        if(x != 0){
            for(int i = 1; i + 1 < n; i++){
                ans[i] = x;
            }
            cout << "Yes\n" << ans << '\n';
        }else{
            cout << "No\n";
        }
    }else{
        if(x != 0){
            vector<int> S(k);
            int tot = x;
            S[0] = x;
            for(int i = 1; i + 1 < k; i++){
                S[i] = 0b1010101;
                tot ^= 0b1010101;
            }
            S.back() = tot;
            for(int i = 0; i < n; i++) ans[i] = S[i % k];
            cout << "Yes\n" << ans << '\n';
        }else{
            cout << "No\n";
        }
    }
}