problem with range of rand() operator

Question

this code programmed to show random numbers in range of 1000 to 6000. but it shows numbers above 6000 too. like this numbers:
6381
1045
4918
4335
4074
1839
3396
2007
6705
2609

https://code.sololearn.com/c8C3yUDKQMCC/#cpp

Answer 1

Change rand() % 6000 to rand() % 5000
because you are already adding 1000.
let's consider: random no. 5500
1000 + 5500 % 6000 = 1000+ 5500 = 6500

Answer 2

https://code.sololearn.com/ck9ZNHwR6OS5/?ref=app

nevermind the rest of the code just look at setting up the range of rand here.