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

//
// Run as: ln ch-2.java ch2.java; javac ch2; java ch2
//

public class ch2 {
    public static void main (String [] args) {
        System . out . print ("a8 c7 e6 c5 b3 c1 a2 c3 b1 a3 c4 b2\n");
    }
}