cardlist = [[i for i in range(1,13)] for j in range(4)]
n = int(input())
for s in range(0, n):
    x,y = map(str,input().split())
    y = int(y)
    if x == "S":
        cardlist[0].remove(y)
    elif x == "H":
        cardlist[1].remove(y)
    elif x == "C":
        cardlist[2].remove(y)
    else:
        cardlist[3].remove(y)
for z in cardlist[0]:
    print("S", z)
for z in cardlist[1]:
    print("H", z)
for z in cardlist[2]:
    print("C", z)
for z in cardlist[3]:
    print("D", z)