Prateek sir and coding problem

#1

sir why its showing run error the output is write

#2

@YASHMATHURIA123,
Check before poping and toping, whether the stack is empty or not.

#3

sir it now show wrong answer

#4

sir please tell me so that i cant make these problem in future of my codes

#5

@YASHMATHURIA123,
New line after printing “No Code”.