X,Y=list(map(int,input().split()))
if(X == 1):
price = (float) (4.00 * Y)
elif(X == 2):
price = (float) (4.50 * Y)
elif(X == 3):
price = (float) (5.00 * Y)
elif (X == 4):
price = (float) (2.00 * Y);
elif (X == 5):
price = (float) (1.50 * Y)
print(f"Total: R$ {price:.2f}")