S =[i+1 for i in xrange(13)]
H =[i+1 for i in xrange(13)]
C =[i+1 for i in xrange(13)]
D =[i+1 for i in xrange(13)]
#[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13]

n = input()
for i in xrange(n):
    c, a = raw_input().split()
    if c == "S":
        del S[int(a)-1]
    elif c == "H":
        del H[int(a)-1]        
    elif c == "C":
        del C[int(a)-1]        
    elif c == "D":
        del D[int(a)-1]

for i in xrange(len(S)):
    print "S " + str(S[i])
    
for i in xrange(len(H)):
    print "H " + str(H[i])    
    
for i in xrange(len(C)):
    print "C " + str(C[i])    
    
for i in xrange(len(D)):
    print "D " + str(D[i])    
    