n=int(input())
maxim=-1000000
for i in range(n):
a=int(input())
if a%10==3 and a>maxim:
maxim=a
print(maxim)
школа 1747
n=int(input())
maxim=-1000000
for i in range(n):
a=int(input())
if a%10==3 and a>maxim:
maxim=a
print(maxim)