How to auto telnet the server from another server

ETC Homework & Coursework Questions
1

Hi All,
I have a problem with auto telnet script, but I want to tell u something
a) I am only a member access on the server, so not able to access 'root' account
b) not able to install any software on server
3) On server, there is not install 'except'

  1. The problem statement, all variables and given/known data:
    I have to write a script, which is ran from A server, login/telnet to B server, do 'ls -lrt' and send to me the output via mail.

  2. Relevant commands, code, scripts, algorithms:
    I have only basic stucture....
    ** run from Server A
    1) login to B
    2) cd landing path
    3) ls -l > a.txt
    4) mail -s "Status" user@domain.com < a.txt
    5) connection closed

  3. The attempts at a solution (include all code and scripts):
    telnet ServerB
    echo user
    sleep 1
    echo password
    sleep 1
    cd landing_zone
    ls -l > output.txt
    mail -s "status" user@gmail.com < outout.txt
    echo exit

  4. Complete Name of School (University), City (State), Country, Name of Professor, and Course Number (Link to Course):
    Gautam Budh technical university
    Uttar Pradesh
    India
    Mr. Nanhey Singh
    Inderprastha Engg Collegesyllabus/CS_IT_b_tech_3_4_year.pdf

Note: Without school/professor/course information, you will be banned if you post here! You must complete the entire template (not just parts of it).