public class Rozwiazanie{
  public static void main(String[] args){
      double a,b,c;
      a = 1.0;
      b = 2.0;
      c = 3.0;
      System.out.println("(a+b)*c= "+((a+b)*c));
      System.out.println("a-b/c= "+(a-b/c));

      a++;
      b++;
      c++;

      System.out.println("Czy a+b>c? "+((a+b)>c));
      System.out.println("Czy a=b? "+(a==b));
  }
}