static boolean isPossible ( float x , float y , float z ) {
  float a = x * x + y * y + z * z ;
  if ( Math . ceil ( a ) == 1 && Math . floor ( a ) == 1 ) return true ;
  return false ;
}

static boolean isPossible ( float x , float y , float z ) { float a = x * x + y * y + z * z ; if ( Math . ceil ( a ) == 1 && Math . floor ( a ) == 1 ) return true ; return false ; }
(method_declaration (modifiers) type: (boolean_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (floating_point_type) name: (identifier)) (formal_parameter type: (floating_point_type) name: (identifier)) (formal_parameter type: (floating_point_type) name: (identifier))) body: (block (local_variable_declaration type: (floating_point_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (binary_expression left: (identifier) right: (identifier))) right: (binary_expression left: (identifier) right: (identifier))))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))) right: (decimal_integer_literal)) right: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))) right: (decimal_integer_literal)))) consequence: (return_statement (true))) (return_statement (false))))