public class truthtable {    
  public static void main(String[] args) {    
 
    boolean r, s; 
 
    System.out.println( "R\tS\tAND\tOR\tXOR\tNOT" ); 
 
    r = true; s = true; 
    System.out.print(r + "\t" + s + "\t"); 
    System.out.print((r&s) + "\t" + (r|s) + "\t"); 
    System.out.println((r^s) + "\t" + (!r)); 
 
    r = true; s = false; 
    System.out.print(r + "\t" + s + "\t"); 
    System.out.print((r&s) + "\t" + (r|s) + "\t"); 
    System.out.println((r^s) + "\t" + (!r)); 
 
    r = false; s = true; 
    System.out.print(r + "\t" + s + "\t"); 
    System.out.print((r&s) + "\t" + (r|s) + "\t"); 
    System.out.println((r^s) + "\t" + (!r)); 
 
    r = false; s = false; 
    System.out.print(r + "\t" + s + "\t"); 
    System.out.print((r&s) + "\t" + (r|s) + "\t"); 
    System.out.println((r^s) + "\t" + (!r)); 
  }    
}