Why this code does not work ¿? Зашто овај код не ради ¿?

Question

https://code.sololearn.com/cnT1124G2n0O/?ref=app

Answer 1

Thanks Waclaw Zalicki and Tito Nogueira !¡
Хвалa Waclaw Zalicki i Tito Nogueira !¡

Answer 2

Cause in print you got ‘-‘ instead of ‘+’. You can’t substract integer and string type. However with ‘+’ symbol c# automatically converse integer to string. I hope everything is clear now ;)

Answer 3

The operator - does not work with strings operands.