#include <algorithm>
#include <complex>
#include <cstdlib>
#include <ctime>
#include <time.h>
#include <iomanip>
#include <iostream>
#include <map>
#include <math.h>
#include <queue>
#include <random>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <vector>
#include <numeric>
#include <limits>
#include <type_traits>
#include <locale>

using namespace std;
#define SAY_YES cout << "YES" << endl;
#define SAY_Yes cout << "Yes" << endl;
#define SAY_NO cout << "NO" << endl;
#define SAY_No cout << "No" << endl;
#define IFYES(TRUE_OR_FALSE)   \
    if (TRUE_OR_FALSE)         \
    {                          \
        cout << "YES" << endl; \
    }                          \
    else                       \
    {                          \
        cout << "NO" << endl;  \
    }
#define IFYes(TRUE_OR_FALSE)   \
    if (TRUE_OR_FALSE)         \
    {                          \
        cout << "Yes" << endl; \
    }                          \
    else                       \
    {                          \
        cout << "No" << endl;  \
    }
#define IFyes(TRUE_OR_FALSE)   \
    if (TRUE_OR_FALSE)         \
    {                          \
        cout << "yes" << endl; \
    }                          \
    else                       \
    {                          \
        cout << "no" << endl;  \
    }
#define DEBUG_OUTPUT_ARRAY(XXX, ONE)                            \
    for (int i = 0; i < (ONE); i++)                             \
    {                                                           \
        cout << "DEBUG: i = " << i << " -> " << XXX[i] << endl; \
    }
#define DEBUG_OUTPUT_ARRAY2(XXX, ONE, TWO)                             \
    for (int i = 0; i < (ONE); i++)                                    \
    {                                                                  \
        cout << "<<< i = " << i << " >>>" << endl;                     \
        for (int j = 0; j < (TWO); j++)                                \
        {                                                              \
            cout << "DEBUG: j = " << j << " -> " << XXX[i][j] << endl; \
        }                                                              \
    }
#define DEBUG_OUTPUT_ARRAY2_BOX(XXX, ONE, TWO) \
    for (int i = 0; i < (ONE); i++)            \
    {                                          \
        cout << i << "  ";                     \
        for (int j = 0; j < (TWO); j++)        \
        {                                      \
            cout << XXX[i][j] << " ";          \
        }                                      \
        cout << endl;                          \
    }

typedef pair<long long int, long long int> pll;


const long long int mod = 1000000007;
const long long int INF = 1e18;
const long double PI=3.14159265358979323; 

long long int N,A,B,C;
string S[200200];
vector<char>vec;
int main()
{
    cout << fixed << setprecision(18);
    cin>>N>>A>>B>>C;
    for(long long int i = 0; i < N; i++){
        cin>>S[i];
    }
    if(A>0&&B>0||A>0&&C>0||B>0&&C>0){
        cout<<"Yes"<<endl;
        for(long long int i = 0; i < N; i++){
            //cout<<A<<" "<<B<<" "<<C<<endl;
            if(S[i]=="AB"){
                if(A==0){
                    cout<<"A"<<endl;
                    A++;
                    B--;
                }else if(B==0){
                    cout<<"B"<<endl;
                    B++;
                    A--;
                }else{
                    if(i==N-1||S[i+1]=="AB"||S[i+1]=="AC"){cout<<"A"<<endl;A++;B--;}
                    else{cout<<"B"<<endl;B++;A--;}
                }
            }
            if(S[i]=="BC"){
                if(C==0){
                    cout<<"C"<<endl;
                    C++;
                    B--;
                }else if(B==0){
                    cout<<"B"<<endl;
                    B++;
                    C--;
                }else{
                    if(i==N-1||S[i+1]=="BC"||S[i+1]=="AB"){cout<<"B"<<endl;B++;C--;}
                    else{cout<<"C"<<endl;C++;B--;}
                }
            }
            if(S[i]=="AC"){
                if(A==0){
                    cout<<"A"<<endl;
                    A++;
                    C--;
                }else if(C==0){
                    cout<<"C"<<endl;
                    C++;
                    A--;
                }else{
                    if(i==N-1||S[i+1]=="AC"||S[i+1]=="BC"){cout<<"C"<<endl;C++;A--;}
                    else{cout<<"A"<<endl;A++;C--;}
                }
            }
        }
    }else{
        
         for(long long int i = 0; i < N; i++){
            //cout<<A<<" "<<B<<" "<<C<<endl;
            if(A<0||B<0||C<0){cout<<"No"<<endl;return 0;}
            if(S[i]=="AB"){
                if(A==0){
                    vec.push_back('A');
                    A++;
                    B--;
                }else if(B==0){
                    vec.push_back('B');;
                    B++;
                    A--;
                }else{
                    if(i==N-1||S[i+1]=="AB"||S[i+1]=="AC"){vec.push_back('A');;A++;B--;}
                    else{vec.push_back('B');;B++;A--;}
                }
            }
            if(S[i]=="BC"){
                if(C==0){
                    vec.push_back('C');;
                    C++;
                    B--;
                }else if(B==0){
                    vec.push_back('B');;
                    B++;
                    C--;
                }else{
                    if(i==N-1||S[i+1]=="BC"||S[i+1]=="AB"){vec.push_back('B');B++;C--;}
                    else{vec.push_back('C');;C++;B--;}
                }
            }
            if(S[i]=="AC"){
                if(A==0){
                    vec.push_back('A');
                    A++;
                    C--;
                }else if(C==0){
                    vec.push_back('C');;
                    C++;
                    A--;
                }else{
                    if(i==N-1||S[i+1]=="AC"||S[i+1]=="BC"){vec.push_back('C');;C++;A--;}
                    else{vec.push_back('A');;A++;C--;}
                }
            }
        }
        
        if(A<0||B<0||C<0){cout<<"No"<<endl;return 0;}
        cout<<"Yes"<<endl;
        for(long long int i = 0; i < N; i++){
            cout<<vec[i]<<endl;
        }
    }
    
}


Measured memory_bytes: 10016