Any one here help me please ...... adhoc command

ansible demo -a “ls”
172.31.33.24 | UNREACHABLE! => {
“changed”: false,
“msg”: “Failed to connect to the host via ssh: Permission denied (publickey,gssapi-keyex,gssapi-with-mic,password).”,
“unreachable”: true
}
172.31.46.204 | UNREACHABLE! => {
“changed”: false,
“msg”: “Failed to connect to the host via ssh: Permission denied (publickey,gssapi-keyex,gssapi-with-mic,password).”,
“unreachable”: true
}

https://docs.ansible.com/ansible/latest/inventory_guide/connection_details.html