In the following sum, the digits have been replaced by letters so that each different letter represents

a different number It is also known that D I E Z is an even number and that T R E S is odd,

**What is the digit by which each letter has to be replaced so that the sum is correct?**

D | I | AND | Z | ||

+ | T | R | AND | S | |

T | R | AND | C | AND |

#### Solution

The solution is the next:

9 | 6 | 7 | 2 | ||

+ | 1 | 0 | 7 | 5 | |

1 | 0 | 7 | 4 | 7 |