class M{
  static String c(String i){
    return ""+(i.contains(".")
                ? new Float(i) < 1.4
                   ? 1.4
                   : i
                : new Long(i) < 18
                   ? 18
                   : i);
  }
 
  public static void main(final String[] a) {
    System.out.println(c("0"));
    System.out.println(c("1"));
    System.out.println(c("2"));
    System.out.println(c("12"));
    System.out.println(c("18"));
    System.out.println(c("43"));
    System.out.println(c("122"));
 
    System.out.println(c("0.0"));
    System.out.println(c("1.04"));
    System.out.println(c("1.225"));
    System.out.println(c("1.399"));
    System.out.println(c("1.4"));
    System.out.println(c("1.74"));
    System.out.println(c("2.0"));
    System.out.println(c("2.72"));
  }
}

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