def     _a				(      lowercase__  :			int     ,  lowercase__  :			int ):







					'''simple docstring'''


					return int((input_a, input_a).count(0 ) != 0 )







def     _a				(      ):







					'''simple docstring'''


					assert nand_gate(0     ,  0 ) == 1
					assert nand_gate(0     ,  1 ) == 1
					assert nand_gate(1     ,  0 ) == 1
					assert nand_gate(1     ,  1 ) == 0


if __name__ == "__main__":
						print(nand_gate(0, 0))
						print(nand_gate(0, 1))
						print(nand_gate(1, 0))
						print(nand_gate(1, 1))




def     _a				(      lowercase__  :			Optional[int] ):







     '''simple docstring'''


     SCREAMING_SNAKE_CASE__				:				Optional[int]			=		[]
     SCREAMING_SNAKE_CASE__				:				List[Any]			=		set({'(', '[', '{'} )
     SCREAMING_SNAKE_CASE__				:				Optional[int]			=		set({')', ']', '}'} )
     SCREAMING_SNAKE_CASE__				:				Union[str, Any]			=		{'{': '}', '[': ']', '(': ')'}

     for i in range(len(lowercase__ ) ):
          if s[i] in open_brackets:
               stack.append(s[i] )

          elif s[i] in closed_brackets and (
              len(lowercase__ ) == 0 or (len(lowercase__ ) > 0 and open_to_closed[stack.pop()] != s[i])
          ):
               return False

     return len(lowercase__ ) == 0







def     _a				(      ):







     '''simple docstring'''


     SCREAMING_SNAKE_CASE__				:				Tuple			=		input('Enter sequence of brackets: ' )
     if is_balanced(lowercase__ ):
          print(lowercase__     ,  'is balanced' )
     else:
          print(lowercase__     ,  'is not balanced' )


if __name__ == "__main__":
      main()



