Read a double hours (hours worked in a week) and a double rate (dollars per hour). Hours up to 40 are paid at the normal rate; any hours beyond 40 are paid at 1.5 times the rate. Compute the total pay and print it with exactly 2 decimal places, ending with a newline.

For example, given the input 45 10, the pay is 40*10 + 5*15 = 475, so the program prints:

475.00