public class BPIH2E2A
{  public static void main(String[] args) 
         {
         int number1=1;
         int number2=2;
         number1+=number2;
         String s="number1+= : "+ number1+"\n";
         number1-=number2;
         s+="number1-= : "+ number1+"\n";
         number1*=number2;
         s+="number1*= : "+ number1+"\n";
         number1/=number2;
         s+="number1/= : "+ number1;
         System.out.println(s);
         }
}



