cryptarithm

Solve the following cryptarithm:


       F O R T Y 
           T E N
    +      T E N
   -------------
       S I X T Y

Determine the digit represented by each letter to make the addition correct.

E =
F =
I =
N =
O =
R =
S =
T =
X =
Y =

Here is the answer:


   2 9 7 8 6     
       8 5 0  
 +     8 5 0        
 -----------  
   3 1 4 8 6