n=int(input())
x={0:'S',1:'H',2:'C',3:'D'}
c=[[0]*13,[0]*13,[0]*13,[0]*13]
for i in range(n):
    a,b=input().split()
    if a=='S':
        c[0].insert(b,b)
    elif a=='H':
        c[1].insert(b,b)
    elif a=='C':
        c[2].insert(b,b)
    else:
        c[3].insert(b,b)
for i in range(4):
    for j in range(13):
        if c[i][j]==0:
            print(x[i],j)
