public class deneme{
	public static void main(String args[]){
		/**int a;
		a=20;
		int b = 30;
		int c= 10, d = 5; // c 
		int e ,f ,g ,h;
		e = 10;f=20;g=90;h=6;
		e = a + b;
		f = a % 3 ;
		g = a * d;
		e = a / g;
		c = 5 + a ++;
		d = 5 + a ++;
		System.out.println("new no : " + d + "c:" +c);
*/
		boolean a = true;
		boolean b = false;
		System.out.println(" boolean: "+ a);
		b = a && b;
		a = a || b;
		System.out.println(" boolean : " + a);
		a=false;
		b=true;
		if(x < 20 && x >30){
			int x = 20;
			System.out.println(" a doğru");
			System.out.println("x : " + x);
		}
		else if(b){
			System.out.println("a yanlış");
		}
		else if(b&&a){
			System.out.println("a yanlış");
		}
		else{
			System.out.println("ikiside yanlıs");
		}
		

	}
}