m={}
n=int(input())
for i in range(1,n+1):
name, age=input().split()
age=int(age)
m[name]=age
sorted_m=dict(sorted(m.items()))
for name, age in sorted_m.items():
print(name, age)
n=int(input())
for i in range(1,n+1):
name, age=input().split()
age=int(age)
m[name]=age
sorted_m=dict(sorted(m.items()))
for name, age in sorted_m.items():
print(name, age)
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