import sys
i = 0
x = []
for line in sys.stdin:
    if i==0:
        x.append(int(line))
    else:
        s1 = 'SHCD'.index(line[0])
        s2 = int(line[2:])
        x.append((s1,s2))
    i = 1

r4 = range(4)
r13 = range(13)
lx = x.pop(0)
cards = [[0 for i in r13] for j in r4]
for j,i in x: cards[j][i-1] = 1

for j in r4:
    for i in r13:
        if cards[j][i]==0: print 'SHCD'[j],i+1
print