script for cpanel

Hello,
I'm Have 1 Question abut

if i need to run another script in my bash script by example

/scripts/killacct this script for cpanel but when i try to execute this command
/scripts/killacct username he ask me yes or no any idea to answer on this question with yes in my bash script

I'm sorry because I'm speaking English little
Thanks

.
.
/scripts/killacct <<EOF
Yes
EOF
.
.

Jerry

yes yes | /scripts/killacct