using System;

namespace YesImAnAdult
{
	class Program
	{
		static void Main(string[] args)
		{
			Func<string,string>f= s=>s.Contains(".")?float.Parse(s)<1.4?"1.4":s:int.Parse(s)<18?"18":s;
			
			Console.WriteLine(f("0"));	//18
			Console.WriteLine(f("1"));	//18
			Console.WriteLine(f("2"));	//18
			Console.WriteLine(f("12"));	//18
			Console.WriteLine(f("18"));	//18
			Console.WriteLine(f("43"));	//43
			Console.WriteLine(f("122"));	//122

			Console.WriteLine(f("0.0"));	//1.4
			Console.WriteLine(f("1.04"));	//1.4
			Console.WriteLine(f("1.225"));	//1.4
			Console.WriteLine(f("1.399"));	//1.4
			Console.WriteLine(f("1.4"));	//1.4
			Console.WriteLine(f("1.74"));	//1.74
			Console.WriteLine(f("2.0"));	//2.0
			Console.WriteLine(f("2.72"));	//2.72
		}
	}
}