/* 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[]array = {"12", "132.456", "132,65" ,"456.659", "123132,978888888"};
		for(String str : array){
			BigDecimal b = new BigDecimal(str.replace(',', '.')).setScale(2, BigDecimal.ROUND_DOWN);
			System.out.println(b);
		}
	}
}

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