content: package org.apache.lucene.util;
  
  /**
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You under the Apache License, Version 2.0
   * (the "License"); you may not use this file except in compliance with
   * the License.  You may obtain a copy of the License at
   * <p/>
   * http://www.apache.org/licenses/LICENSE-2.0
   * <p/>
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  /**
   * @lucene.internal
   */ 
  public final class English {
  
    private English() {} // no instance
  
    public static String longToEnglish(long i) {
      StringBuilder result = new StringBuilder();
      longToEnglish(i, result);
      return result.toString();
    }
  
    public static void longToEnglish(long i, StringBuilder result) {
      if (i == 0) {
        result.append("zero");
        return;
      }
      if (i < 0) {
        result.append("minus ");
        i = -i;
      }
      if (i >= 1000000000000000000l) {        // quadrillion
        longToEnglish(i / 1000000000000000000l, result);
        result.append("quintillion, ");
        i = i % 1000000000000000000l;
      }
      if (i >= 1000000000000000l) {        // quadrillion
        longToEnglish(i / 1000000000000000l, result);
        result.append("quadrillion, ");
        i = i % 1000000000000000l;
      }
      if (i >= 1000000000000l) {        // trillions
        longToEnglish(i / 1000000000000l, result);
        result.append("trillion, ");
        i = i % 1000000000000l;
      }
      if (i >= 1000000000) {        // billions
        longToEnglish(i / 1000000000, result);
        result.append("billion, ");
        i = i % 1000000000;
      }
      if (i >= 1000000) {          // millions
        longToEnglish(i / 1000000, result);
        result.append("million, ");
        i = i % 1000000;
      }
      if (i >= 1000) {          // thousands
        longToEnglish(i / 1000, result);
        result.append("thousand, ");
        i = i % 1000;
      }
      if (i >= 100) {          // hundreds
        longToEnglish(i / 100, result);
        result.append("hundred ");
        i = i % 100;
      }
      //we know we are smaller here so we can cast
      if (i >= 20) {
        switch (((int) i) / 10) {
          case 9:
            result.append("ninety");
            break;
          case 8:
            result.append("eighty");
            break;
          case 7:
            result.append("seventy");
            break;
          case 6:
            result.append("sixty");
            break;
          case 5:
            result.append("fifty");
            break;
          case 4:
            result.append("forty");
            break;
          case 3:
            result.append("thirty");
            break;
          case 2:
            result.append("twenty");
            break;
        }
        i = i % 10;
        if (i == 0)
          result.append(" ");
        else
          result.append("-");
      }
      switch ((int) i) {
        case 19:
          result.append("nineteen ");
          break;
        case 18:
          result.append("eighteen ");
          break;
        case 17:
          result.append("seventeen ");
          break;
        case 16:
          result.append("sixteen ");
          break;
        case 15:
          result.append("fifteen ");
          break;
        case 14:
          result.append("fourteen ");
          break;
        case 13:
          result.append("thirteen ");
          break;
        case 12:
          result.append("twelve ");
          break;
        case 11:
          result.append("eleven ");
          break;
        case 10:
          result.append("ten ");
          break;
        case 9:
          result.append("nine ");
          break;
        case 8:
          result.append("eight ");
          break;
        case 7:
          result.append("seven ");
          break;
        case 6:
          result.append("six ");
          break;
        case 5:
          result.append("five ");
          break;
        case 4:
          result.append("four ");
          break;
        case 3:
          result.append("three ");
          break;
        case 2:
          result.append("two ");
          break;
        case 1:
          result.append("one ");
          break;
        case 0:
          result.append("");
          break;
      }
    }
  
  
    public static String intToEnglish(int i) {
      StringBuilder result = new StringBuilder();
      longToEnglish(i, result);
      return result.toString();
    }
  
    public static void intToEnglish(int i, StringBuilder result) {
      longToEnglish(i, result);
    }
  
    public static void main(String[] args) {
      System.out.println(longToEnglish(Long.parseLong(args[0])));
    }
  
  }
  