public static void main ( String args [ ] ) {
  FastScanner input = new FastScanner ( ) ;
  int n = input . nextInt ( ) ;
  long a [ ] = new long [ n + 1 ] ;
  for ( int i = 1 ;
  i <= n ;
  i ++ ) {
    long value = input . nextLong ( ) ;
    a [ i ] = ( value < 0 ) ? 1L : 0 ;
  }
  for ( int i = 1 ;
  i <= n ;
  i ++ ) {
    a [ i ] += a [ i - 1 ] ;
  };
}

public static void main ( String args [ ] ) { FastScanner input = new FastScanner ( ) ; int n = input . nextInt ( ) ; long a [ ] = new long [ n + 1 ] ; for ( int i = 1 ; i <= n ; i ++ ) { long value = input . nextLong ( ) ; a [ i ] = ( value < 0 ) ? 1L : 0 ; } for ( int i = 1 ; i <= n ; i ++ ) { a [ i ] += a [ i - 1 ] ; } ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier) dimensions: (dimensions))) body: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (type_identifier) arguments: (argument_list)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) dimensions: (dimensions) value: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (binary_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 (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (ternary_expression condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (decimal_integer_literal) alternative: (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: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal)))))))))