He should not pick up. so 4th is the best answer
In the digital signature technique when the whole message is signed using an asymmetric key, the sender of the message uses his or her own private key to sign the message.
This is all you need to do for this one add quotes around the number to make it a string. Then for the question I don't know if you need to answer it but I said that when there is only one string it creates and addition problem of 24 + 24 and then when there are two strings it puts them right next to each other making it look like the number 2424.
Answer:
when a burst tire while driving is advised