rednet.open("left") -- Open the modem on the side you want to use
local channel = 123 -- Set the same channel number as the server

local serverID = 100 -- Replace with the ID of the server (check rednet API or use discovery)

while true do
    print("Enter your message: ")
    local message = read() -- Read input from the user

    rednet.send(serverID, message, channel) -- Send the message to the server

    -- Optionally, wait for a response from the server
    -- local senderId, response, distance = rednet.receive(channel)
    -- print("Response from server: " .. response)
end