255   List(Assign("n", Num(10)),            //  n := 10;                      | 
   255   List(Assign("n", Num(10)),            //  n := 10;                      | 
   256        Assign("minus1",Num(0)),         //  minus1 := 0; | 
   256        Assign("minus1",Num(0)),         //  minus1 := 0; | 
   257        Assign("minus2",Num(1)),         //  minus2 := 1; | 
   257        Assign("minus2",Num(1)),         //  minus2 := 1; | 
   258        Assign("temp",Num(0)),           //  temp := 0; | 
   258        Assign("temp",Num(0)),           //  temp := 0; | 
   259        While(Bop("<",Num(0),Var("n")),  //  while n > 0 do  { | 
   259        While(Bop("<",Num(0),Var("n")),  //  while n > 0 do  { | 
   260           List(Assign("temp",Var("minus2")),    //  temp := minus2; | 
   260           List(Assign("temp",Var("minus2")), //  temp := minus2; | 
   261                Assign("minus2",Aop("+",Var("minus1"),Var("minus2"))),  | 
   261                Assign("minus2",Aop("+",Var("minus1"),Var("minus2"))),  | 
   262                                         //  minus2 := minus1 + minus2;  | 
   262                                         //  minus2 := minus1 + minus2;  | 
   263                Assign("minus1",Var("temp")), //  minus1 := temp; | 
   263                Assign("minus1",Var("temp")), //  minus1 := temp; | 
   264                Assign("n",Aop("-",Var("n"),Num(1))))), //  n := n - 1 }; | 
   264                Assign("n",Aop("-",Var("n"),Num(1))))), //  n := n - 1 }; | 
   265        Write("minus1"))                 //  write minus1 | 
   265        Write("minus1"))                 //  write minus1 |