#include"bits/stdc++.h"
#include<unordered_set>
#include<unordered_map>
#include<random>
using namespace std;
typedef long long ll;
const ll MOD = (ll)(1e9+7);
#define pb push_back
#define mp make_pair
#define all(x) (x).begin(), (x).end()
#define rep(i, n) for(int (i)=0; (i)<(int)(n); (i)++)
int dx[4]={ 1,0,-1,0 };
int dy[4]={ 0,1,0,-1 };

int N;
ll A, B, C;
string S[100000];

bool memo[100000][5][5][5];
bool vis[100000][5][5][5];
bool solve(int n, int a, int b, int c){
    if(a < 0 || b < 0 || c < 0) return false;
    if(a >= 5 || b >= 5 || c >= 5) return false;
    if(n == N) return true;
    if(vis[n][a][b][c]) return memo[n][a][b][c];
    vis[n][a][b][c] = true;
    memo[n][a][b][c] = false;
    if(S[n] == "AB"){
        memo[n][a][b][c] |= solve(n+1, a+1, b-1, c);
        memo[n][a][b][c] |= solve(n+1, a-1, b+1, c);
    }
    if(S[n] == "BC"){
        memo[n][a][b][c] |= solve(n+1, a, b+1, c-1);
        memo[n][a][b][c] |= solve(n+1, a, b-1, c+1);
    }
    if(S[n] == "AC"){
        memo[n][a][b][c] |= solve(n+1, a+1, b, c-1);
        memo[n][a][b][c] |= solve(n+1, a-1, b, c+1);
    }
    return memo[n][a][b][c];
}

void print(int n, int a, int b, int c){
    if(n == N) exit(0);
    if(S[n] == "AB"){
        if(solve(n+1, a+1, b-1, c)){
            cout << "A" << endl;
            print(n+1, a+1, b-1, c);
        }
        if(solve(n+1, a-1, b+1, c)){
            cout << "B" << endl;
            print(n+1, a-1, b+1, c);
        }
    }
    if(S[n] == "BC"){
        if(solve(n+1, a, b+1, c-1)){
            cout << "B" << endl;
            print(n+1, a, b+1, c-1);
        }
        if(solve(n+1, a, b-1, c+1)){
            cout << "C" << endl;
            print(n+1, a, b-1, c+1);
        }
    }
    if(S[n] == "AC"){
        if(solve(n+1, a+1, b, c-1)){
            cout << "A" << endl;
            print(n+1, a+1, b, c-1);
        }
        if(solve(n+1, a-1, b, c+1)){
            cout << "C" << endl;
            print(n+1, a-1, b, c+1);
        }
    }
}

signed main(){
    cin >> N >> A >> B >> C;
    rep(i, N) cin >> S[i];

    if(A+B+C <= 3){
        if(solve(0, A, B, C)){
            cout << "Yes" << endl;
            print(0, A, B, C);
        }
    }
    else{
        rep(i, 3){
            char AB;
            if(i == 0) AB = 'A';
            if(i == 1) AB = 'B';
            if(i == 2) AB = 'C';
            rep(j, 3){
                char BC;
                if(j == 0) BC = 'A';
                if(j == 1) BC = 'B';
                if(j == 2) BC = 'C';
                rep(k, 3){
                    char AC;
                    if(k == 0) AC = 'A';
                    if(k == 1) AC = 'B';
                    if(k == 2) AC = 'C';

                    if(A < (ll)(AB=='A')+(BC=='A')+(AC=='A')) continue;
                    if(B < (ll)(AB=='B')+(BC=='B')+(AC=='B')) continue;
                    if(C < (ll)(AB=='C')+(BC=='C')+(AC=='C')) continue;
                    vector<char> ans;
                    rep(l, N){
                        if(S[l] == "AB"){
                            if(BC == 'A'){
                                ans.pb(BC = 'B');
                                continue;
                            }
                            if(AC == 'B'){
                                ans.pb(AC = 'A');
                                continue;
                            }
                            if(AB == 'A') ans.pb(AB = 'B');
                            else if(AB == 'B') ans.pb(AB = 'A');
                            else break;
                        }
                        if(S[l] == "BC"){
                            if(AB == 'C'){
                                ans.pb(AB = 'B');
                                continue;
                            }
                            if(AC == 'B'){
                                ans.pb(AC = 'C');
                                continue;
                            }
                            if(BC == 'B') ans.pb(BC = 'C');
                            else if(BC == 'C') ans.pb(BC = 'B');
                            else break;
                        }
                        if(S[l] == "AC"){
                            if(AB == 'C'){
                                ans.pb(AB = 'A');
                                continue;
                            }
                            if(BC == 'A'){
                                ans.pb(BC = 'C');
                                continue;
                            }
                            if(AC == 'A') ans.pb(AC = 'C');
                            else if(AC == 'C') ans.pb(AC = 'A');
                            else break;
                        }
                    }

                    if(ans.size() == N){
                        cout << "Yes" << endl;
                        rep(l, N) cout << ans[l] << endl;
                        return 0;
                    }
                }
            }
        }
    }
    cout << "No" << endl;
}

Measured memory_bytes: 42104