class Suma{
   public static void main(String [] args){
     int i=100;
       i=i+50;
       System.out.println(i); 
       i=i-200;
       System.out.println(i);
       i=i*-1;
       System.out.println(i);
       i=i/3;
       System.out.println(i);
   }
}