N,A,B,C=map(int,input().split())

S=['']*N
for i in range(N):
    S[i]=input()

result=[]
kekka=True


for i in range(N):
    if (A==0 and B==0 and S[i]=='AB') or (C==0 and B==0 and S[i]=='BC') or (A==0 and C==0 and S[i]=='AC'):
        kekka=False
        break
    else:
        if S[i]=='AB':
            if A==0:
                A += 1
                B -= 1
                result.append('A')
            elif B==0:
                A -=1
                B +=1
                result.append('B')
            elif A==1 and B==1 and C==0:
                if S[i+1]=='AC':
                    A += 1
                    B -= 1
                    result.append('A')
                else:
                    A -=1
                    B +=1
                    result.append('B')
            elif A>B:
                A -=1
                B +=1
                result.append('B')
            else:
                A +=1
                B -=1
                result.append('A')
        elif S[i]=='AC':
            if A==0:
                A += 1
                C -= 1
                result.append('A')
            elif C==0:
                A -=1
                C +=1
                result.append('C')
            elif A==1 and C==1 and B==0:
                if S[i+1]=='AB':
                    A += 1
                    C -= 1
                    result.append('A')
                else:
                    A -=1
                    C +=1
                    result.append('C')
            elif A>C:
                A -=1
                C +=1
                result.append('C')
            else:
                A +=1
                C -=1
                result.append('A') 
        elif S[i]=='BC':
            if B==0:
                B += 1
                C -= 1
                result.append('B')
            elif C==0:
                B -=1
                C +=1
                result.append('C')
            elif B==1 and C==1 and A==0:
                if S[i+1]=='AB':
                    B += 1
                    C -= 1
                    result.append('B')
                else:
                    B -=1
                    C +=1
                    result.append('C')
            elif B>C:
                B -=1
                C +=1
                result.append('C')
            else:
                B +=1
                C -=1
                result.append('B')

if kekka ==False:
    print('No')
else:
    print('Yes')
    for i in range(len(result)):
        print(result[i])            




### FIXED CODE ###

N,A,B,C=map(int,input().split())

S=['']*N
for i in range(N):
    S[i]=input()

result=[]
kekka=True


for i in range(N):
    if (A==0 and B==0 and S[i]=='AB') or (C==0 and B==0 and S[i]=='BC') or (A==0 and C==0 and S[i]=='AC'):
        kekka=False
        break
    else:
        if S[i]=='AB':
            if A==0:
                A += 1
                B -= 1
                result.append('A')
            elif B==0:
                A -=1
                B +=1
                result.append('B')
            elif A==1 and B==1 and C==0 and i !=N-1:
                if S[i+1]=='AC':
                    A += 1
                    B -= 1
                    result.append('A')
                else:
                    A -=1
                    B +=1
                    result.append('B')
            elif A>B:
                A -=1
                B +=1
                result.append('B')
            else:
                A +=1
                B -=1
                result.append('A')
        elif S[i]=='AC':
            if A==0:
                A += 1
                C -= 1
                result.append('A')
            elif C==0:
                A -=1
                C +=1
                result.append('C')
            elif A==1 and C==1 and B==0 and i != N-1:
                if S[i+1]=='AB':
                    A += 1
                    C -= 1
                    result.append('A')
                else:
                    A -=1
                    C +=1
                    result.append('C')
            elif A>C:
                A -=1
                C +=1
                result.append('C')
            else:
                A +=1
                C -=1
                result.append('A') 
        else:
            if B==0:
                B += 1
                C -= 1
                result.append('B')
            elif C==0:
                B -=1
                C +=1
                result.append('C')
            elif B==1 and C==1 and A==0 and i != N-1:
                if S[i+1]=='AB':
                    B += 1
                    C -= 1
                    result.append('B')
                else:
                    B -=1
                    C +=1
                    result.append('C')
            elif B>C:
                B -=1
                C +=1
                result.append('C')
            else:
                B +=1
                C -=1
                result.append('B')

if kekka ==False:
    print('No')
else:
    print('Yes')
    for i in range(N):
        print(result[i])