#include <bits/stdc++.h>
using namespace std;
struct fast_ios { fast_ios(){ cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(20); }; } fast_ios_;
#define FOR(i, begin, end) for(int i=(begin),i##_end_=(end);i<i##_end_;i++)
#define IFOR(i, begin, end) for(int i=(end)-1,i##_begin_=(begin);i>=i##_begin_;i--)
#define REP(i, n) FOR(i,0,n)
#define IREP(i, n) IFOR(i,0,n)
template<typename T> istream &operator>>(istream &is, vector<T> &vec){ for (auto &v : vec) is >> v; return is; }
template<typename T> ostream &operator<<(ostream &os, const vector<T> &vec){ os << "["; for (auto v : vec) os << v << ","; os << "]"; return os; }
#define dbg(x) cerr << #x << " = " << (x) << " (L" << __LINE__ << ") " << __FILE__ << endl;

void output(vector<int> v)
{
    for (auto x : v) cout << x << ' ';
    cout << '\n';
    exit(0);
}

int main()
{
    int N, P, Q;
    cin >> N >> P >> Q;
    vector<int> A(N);
    cin >> A;
    set<int> s;

    bool p = false, q = false;
    IREP(i, N)
    {
        int T = A[i];
        if (T == P) p = true;
        if (T == Q) q = true;
        s.insert(T);
        if (p and q and s.size() == 2 and P > Q)
        {
            A[i - 2] = P, A[i - 1] = Q;
            output(A);
        }
        if (p and q and *prev(s.end()) > A[i] and s.size() > 2)
        {
            int x = *s.upper_bound(T);
            if (x == Q and p) x = *next(s.upper_bound(T));

            A[i] = x;
            s.erase(x);
            if (x == P) p = false;
            FOR(j, i + 1, N)
            {
                A[j] = *s.begin();
                if (A[j] == Q and p) A[j] = *next(s.begin());
                s.erase(A[j]);
                if (A[j] == P) p = false;
            }
            output(A);
        }
    }
    puts("-1");
}