제출 #141445

3
4
2
4

런타임 에러 (RTE)
stderr:
 Exception in thread "main" java.util.EmptyStackException
	at java.base/java.util.Stack.peek(Stack.java:101)
	at java.base/java.util.Stack.pop(Stack.java:83)
	at Main.proceed(Main.java:31)
	at Main.procedure(Main.java:22)
	at Main.main(Main.java:12)

1
-1
1

3
2
4
4

런타임 에러 (RTE)
stderr:
 Exception in thread "main" java.util.EmptyStackException
	at java.base/java.util.Stack.peek(Stack.java:101)
	at java.base/java.util.Stack.pop(Stack.java:83)
	at Main.proceed(Main.java:31)
	at Main.procedure(Main.java:22)
	at Main.main(Main.java:12)

-1
1
1

3
3
5
3

런타임 에러 (RTE)
stderr:
 Exception in thread "main" java.util.EmptyStackException
	at java.base/java.util.Stack.peek(Stack.java:101)
	at Main.proceed(Main.java:46)
	at Main.procedure(Main.java:22)
	at Main.main(Main.java:12)

0
-1
0