Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to chat with your facebook friends using yahoo messenger for android [title] Download yahoo messenger. [step] Simply search for the app in google play, tap " install " button and wait for it to finish downloading and installing. [title] Sign in your yahoo id.

Ending1: [step] You can only access your account from your yahoo messenger computer. If you've forgotten to sign in, tap " log in " and follow the on-screen instructions to sign in. Ending2: [step] Enter your yahoo id and password then tap " sign in " to proceed. If you don't have an id on yahoo yet, simply tap the " sign up " button and fill all the required information to get one. Ending3: [step] If you already have a yahoo messenger account, use your online wallet to sign up for your account. If you don't have one, tap on your account name and enter your yahoo id. Ending4: [step] Enter your yahoo id details into the appropriate fields, and tap " sign in " to begin tapping. [title] Select the " chat info " tab from the drop-down menu.

Answer format: ending1/ending2/ending3/ending4