public static void main ( String [ ] $ ) {
  n = scanner . nextInt ( ) ;
  k = scanner . nextInt ( ) ;
  a = IntStream . range ( 0 , n ) . mapToObj ( i -> IntStream . range ( 0 , k ) . map ( j -> scanner . nextInt ( ) ) . toArray ( ) ) . toArray ( int [ ] [ ] :: new ) ;
  System . out . println ( dfs ( 0 , 0 ) ? "Found" : "Nothing" ) ;
}

public static void main ( String [ ] $ ) { n = scanner . nextInt ( ) ; k = scanner . nextInt ( ) ; a = IntStream . range ( 0 , n ) . mapToObj ( i -> IntStream . range ( 0 , k ) . map ( j -> scanner . nextInt ( ) ) . toArray ( ) ) . toArray ( int [ ] [ ] :: new ) ; System . out . println ( dfs ( 0 , 0 ) ? " Found " : " Nothing " ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (method_invocation object: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (decimal_integer_literal) (identifier))) name: (identifier) arguments: (argument_list (lambda_expression parameters: (identifier) body: (method_invocation object: (method_invocation object: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (decimal_integer_literal) (identifier))) name: (identifier) arguments: (argument_list (lambda_expression parameters: (identifier) body: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))))) name: (identifier) arguments: (argument_list))))) name: (identifier) arguments: (argument_list (method_reference (array_type element: (integral_type) dimensions: (dimensions))))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (ternary_expression condition: (method_invocation name: (identifier) arguments: (argument_list (decimal_integer_literal) (decimal_integer_literal))) consequence: (string_literal) alternative: (string_literal)))))))