static int countNumber ( int N , int S ) {
  int countElements = 0 ;
  int currSum = 0 ;
  while ( currSum <= S ) {
    currSum += N ;
    N -- ;
    countElements ++ ;
  }
  return countElements ;
}

static int countNumber ( int N , int S ) { int countElements = 0 ; int currSum = 0 ; while ( currSum <= S ) { currSum += N ; N -- ; countElements ++ ; } return countElements ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (while_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) body: (block (expression_statement (assignment_expression left: (identifier) right: (identifier))) (expression_statement (update_expression (identifier))) (expression_statement (update_expression (identifier))))) (return_statement (identifier))))