The voltage station is every day changing the master password, which consists of three letters. Code generation process does not change and is based on the following procedure: The following letters (A) to (I) correspond to different numbers from 1 to 9. If we replace the letters numerals applied by the following sum.

HIG + CAB = EDF

If we letters change order, we would get the following sum:

CIH + EDF = GBA

Tip on how to deal with: Use logical relationships and constraints arising from the submission and validity of the above totals, gradually exclude inappropriate combinations of numbers.

Correct result:

BEA =  241

#### Solution:

$A=1 \ \\ B=2 \ \\ C=1 \ \\ D=6 \ \\ E=4 \ \\ F=8 \ \\ G=6 \ \\ H=3 \ \\ I=5 \ \\ \ \\ HIG + CAB = EDF \ \\ CIH + EDF = GBA \ \\ \ \\ 356 + 112 = 468 \ \\ 153 + 468 = 621 \ \\ \ \\ \ \\ BEA = 241$

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