from functools import cmp_to_key
c=[[],[]]
string=[[],[]]
for i in range(2):
    a = eval(input())
    while a>0:
        s=input().split()
        s[1],s[2]=eval(s[1]),eval(s[2])
        c[i].append(s)
        string[i].append(s[0])
        a-=1
def cmp(a,b):
    if a[1]>b[1]:
        return -1
    elif a[1]==b[1]:
        if a[2]<b[2] :
            return -1
        else:
            return 1
    else :
        return 1
c[0]=sorted(c[0],key=cmp_to_key(cmp))
# print(c[0])
c[1]=sorted(c[1],key=cmp_to_key(cmp))
# print(c[1])
# m='123'
# n='123'
# print(m==n)
st="lzr010506"
s=set(string[0])&set(string[1])
# for i in c[0]:
#     for j in c[1]:
#         if i[0] == j[0] :
#             s.append(j[0])
# print(s)
ans1=0
ans2=0
i=0
while c[0][i][0] != st:
    # print(c[0][i][0])
    if c[0][i][0] in s:
        ans1+=1
    i+=1
ans1= i+1-ans1
i=0
while c[1][i][0]!=st:
    # print(c[1][i][0])
    if c[1][i][0] in s:
        ans2+=1
    i+=1
ans2=i+1-ans2
# print(ans1,ans2)
print(min(ans1,ans2))
# print(c[0],'\n',c[1])