/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
import java.math.BigDecimal;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		String input = "6.2284800183620495E18" ;
        BigDecimal bd = new BigDecimal( input );
 
        String sciNot = bd.toString();
        String engNot = bd.toEngineeringString();
        String plain = bd.toPlainString();
 
        System.out.println( "input: " + input );
        System.out.println( "sciNot: " + sciNot );
        System.out.println( "engNot: " + engNot );
        System.out.println( "plain: " + plain );
	}
}

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