Improve day 5

day05/ex1/main.go

@@ -12,7 +12,7 @@ func main() {
 
   for _, movement := range(movements) {
     for i := 0; i < movement.GetN(); i++ {
-      top := stacks[movement.GetStart() - 1].Pop()
+      top, _ := stacks[movement.GetStart() - 1].Pop()
       stacks[movement.GetEnd() - 1].Push(top)
     }
   }