/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;
import java.math.*;

/* 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
	{
		double d = 0.345345345345;
		System.out.println(BigDecimal.valueOf(d).setScale(2, RoundingMode.FLOOR));
	}
}