challenge-120/abigail/java/ch-1.java


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//
// See ../README.md
//

//
// Run as: ln ch-1.java ch1.java; javac ch1.java; java ch1 < input-file
//

import java.util.*;

public class ch1 {
    public static void main (String [] args) {
        Scanner scanner = new Scanner (System . in);
        try {
            while (true) {
                int num = scanner . nextInt ();
                System . out . println ( (num & 0x55) << 1
                                       | (num & 0xAA) >> 1);
            }
        }
        catch (Exception e) {
            //
            // EOF
            //
        }
    }
}