Hello adding

Fill letters instead of digits so the indicated sum (equal letters represent equal digits). What number is hidden under the letter J?

A
A H
A H O
A H O J
--------------------------
4 3 2 1

Correct result:

J =  1

Solution:

A=3 H=8 O=9 J=1   Verifying Solution:  s=3+38+389+3891=4321



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