The Story Of Two Robbers

There were two robbers Kali and Vikrant who came across a hidden cave. When they went inside ,they saw a stack of gold plates kept there. Each plate has a money value written on it which he will get when he sells them. They decided to play a game . In each turn the player can take 1,2 or 3 gold plates from the top. Both the players play optimally but Kali starts first. Now you have to tell what is