**From New Scientist #1175, 4th October 1979** [link]

Letters stand for digits, but who knows what stands for what?

You’ve got to use your wits and thus decide.

Different letters, different digits, for I’ve got,

As maker of the puzzle, proper pride.

*E* and *R* and *I* and *C*, that makes a name,

And the second line is similar,

With 2 letters familiar

For *E* and *R*, read *I* and *P*, and then the same.

With an *R* and a *V* and a couple of *E*‘s,

The sum is completed, but please

Do you add or subtract? That’s for you to discover

If the one can’t be done, then it must be the other.

Do you add or subtract? Write the sum out with the numbers substituted for letters.

This is the 300th Enigma puzzle posted to the site (that’s 17.3% of all Enigmas published).

[enigma33]

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The following Python program runs in 114ms.

Solution:The sum is 2861 + 6061 = 8922.Hi Jim,

I solved this enigma using the site:

http://www.iread.it

I wish you a happy new year.

ERIC – IPIC = RVEE

No solution!

ERIC + IPIC = RVEE

C E R I P V

1 2 8 6 0 9

You are dong a good job there. I could do this one by having a look at it!

Using the substituted sum solver I recently added to the

enigma.pymodule, this puzzle can be solved by the following Python code in 42ms.