import java.util.*;enum M{M;System z;{int i;for(Scanner s=new Scanner(z.in);z==z;z.out.printf("%.2f\n",(i*23-(i-i/24-i/51%2*2)/3-i/25*11+i/126)*.05))i=s.nextInt();}}
Note that non-ascii characters in the above source code will be escaped (such as \x9f).