# One morning, you go out and place a dollar bill 
# on the sidewalk by the Sears tower in Chicago. 
# Each day thereafter, you go out double the number of bills. 
# How long does it take for the stack of bills to exceed 
# the height of the tower?

# sears.py
bill_thickness = 0.11 * 0.001 # Meters (0.11 mm)
sears_height = 442 # Height (meters)
num_bills = 1
day = 1

while num_bills * bill_thickness < sears_height:
    print(day, num_bills, num_bills * bill_thickness)
    day = day + 1
    num_bills = num_bills * 2

print('Number of days', day)
print('Number of bills', num_bills)
print('Final height', num_bills * bill_thickness)

 
