# Description

A description of the problem to model and solve.

A **verbal arithmetic** is a mathematical equation among unknown
numbers, whose digits are represented by letters (see
wikipedia for more
details).

## Input data

The equation we consider here is:

```
S E N D
+ M O R E
-----------
= M O N E Y
```

A value has to be assigned to each letter in such a way that the equation is satisfied. Note that:

- each letter corresponds to a digit,
- a word cannot start with à 0,
- no two letters are assigned to the same digit.

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Last modified 31.01.2020: Mise à jour du site (71a7ad3)