fork download
  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. public static void main (String[] args) throws java.lang.Exception
  11. {
  12. int r = 53;
  13. int g = 82;
  14. int b = 35;
  15.  
  16. System.out.println(0.2126 * r + 0.7152 * g + 0.0722 * b);
  17. }
  18. }
Success #stdin #stdout 0.12s 320576KB
stdin
Standard input is empty
stdout
72.4412