Little Bobby loves chocolate, and he frequently goes to his favorite store, Penny Auntie, with dollars to buy chocolates. Each chocolate has a flat cost of dollars, and the store has a promotion where they allow you to trade in chocolate wrappers in exchange for free piece of chocolate.

For example, if and Bobby has dollars that he uses to buy chocolates at dollar apiece, he can trade in the wrappers to buy more chocolates. Now he has more wrappers that he can trade in for more chocolate. Because he only has wrapper left at this point and , he was only able to eat a total of pieces of chocolate.

Given n ,m ,c and t for trips to the store, can you determine how many chocolates Bobby eats during each trip?