IF  with AND and OR fuctions

you need to add () 's and a lot of them , further Arduino knows 2 types of AND and OR's the logical and the bitwise.

IF (VAL > 100 AND VAL < 140) THEN ...

becomes

if ((val > 100) && (val < 140)) 
{ 
....
}

See for more information http://www.arduino.cc/en/Reference/Boolean

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