program liss { 
		declarations 
				a, k=6 -> integer; 
				b -> integer;
				c, flag = true, bool -> boolean;
               statements  
               			k = (b+6)*2 +k/2;		
				b = b-6;
				c = (c == flag);
				flag = c;
				flag = 4 < 5;	
				bool =  !(flag && c);			
             } 