c={
    'S':[0]*13,
    'H':[0]*13,
    'C':[0]*13,
    'D':[0]*13
}
n=int(input())
for i in range(n):
    s,num=input().split()
    c[s][int(num)-1]=1
for i in["S","H","C","D"]:
    for j in range(13):
        if c[i][j]==0:
            print(i,j+1)

