/* package codechef; // don’t place package name! */
import java.util.;
import java.lang.;
import java.io.*;
/* Name of the class has to be “Main” only if the class is public. */
class Codechef
{
public static void main (String[] args) throws java.lang.Exception
{
Scanner sc = new Scanner(System.in);
int x = sc.nextInt();
double y = sc.nextDouble();
if(0<x && x<=2000)
{
if(x%5 == 0 && 0<y && y<=2000)
{
if((double)x < y)
{
double u = y - (double)x - 000.50 ;
System.out.print( String.format("%.2f", u));
}
else
{
System.out.print( String.format("%.2f", y));
}
}
else
{
System.out.print( String.format("%.2f", y));
}
}
else
{
System.out.print( String.format("%.2f", y)); ;
}
}
}
My code