class Test {

    public static void main(String args[]) {
        boolean x;
        if (x=true) System.out.println("True"); else System.out.println("False");
        if (x=false) System.out.println("True"); else System.out.println("False");
        String s1 = "a", s2 = "b";
        if (s1=="a") System.out.println("True"); else System.out.println("False");
        if ("a"+"b"=="ab") System.out.println("True"); else System.out.println("False");
        if (s1+s2=="ab") System.out.println("True"); else System.out.println("False");

      }

    
}