static boolean isValid ( int n , int [ ] num ) {
  int x , limit = 1 << n ;
  for ( int i = 0 ;
  i < limit ;
  i ++ ) {
    x = 0 ;
    for ( int j = 0 ;
    j < n ;
    j ++ ) {
      x += ( ( i & ( 1 << j ) ) == 0 ) ? num [ j ] : - num [ j ] ;
    }
    if ( x % 360 == 0 ) return true ;
  }
  return false ;
}

static boolean isValid ( int n , int [ ] num ) { int x , limit = 1 << n ; for ( int i = 0 ; i < limit ; i ++ ) { x = 0 ; for ( int j = 0 ; j < n ; j ++ ) { x += ( ( i & ( 1 << j ) ) == 0 ) ? num [ j ] : - num [ j ] ; } if ( x % 360 == 0 ) return true ; } return false ; }
(method_declaration (modifiers) type: (boolean_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (array_type element: (integral_type) dimensions: (dimensions)) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier)) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (decimal_integer_literal) right: (identifier)))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (expression_statement (assignment_expression left: (identifier) right: (decimal_integer_literal))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (expression_statement (assignment_expression left: (identifier) right: (ternary_expression condition: (parenthesized_expression (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (parenthesized_expression (binary_expression left: (decimal_integer_literal) right: (identifier))))) right: (decimal_integer_literal))) consequence: (array_access array: (identifier) index: (identifier)) alternative: (unary_expression operand: (array_access array: (identifier) index: (identifier)))))))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal))) consequence: (return_statement (true))))) (return_statement (false))))