擅长:python、mysql、java
<pre><code>first_oldest = 0
second_oldest = 0
while True:
age = int(input())
if age != -1:
if age > first_oldest:
second_oldest = first_oldest
first_oldest = age
elif second_oldest < age < first_oldest:
second_oldest = age
if second_oldest == 0:
second_oldest = first_oldest
else:
break
print(first_oldest, second_oldest)
</code></pre>