package javaapplication1 ;
import java.util.Scanner ;
import java.lang.String ;
import java.io.* ;
public class javaapplication1 {
public static void javaapplication1
( String [ ] args
) { Scanner oi
= new Scanner
( System .
in ) ; double a = oi.nextInt ( ) ;
double b = 0 ;
double c = 0 ;
if ( a<= 1000 ) {
if ( "y" .equals ( k) ) b= 8 + 5 ;
if ( "n" .equals ( k) ) b= 8 ;
}
else {
if ( ( a- 1000 ) % 500> 0 ) c= ( a+ ( 500 - ( a- 1000 ) % 500) - 1000 ) / 500 ;
if ( "y" .equals ( k) ) b= ( c* 4 + 8 + 5 ) ;
if ( "n" .equals ( k) ) b= ( c* 4 + 8 ) ;
}
int m = ( int ) b;
}
}
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