import math
if __name__ == '__main__':
target = int(input("Enter phone number without leading 0:\n"))
current_value = 7 # initializes with 7 press
number_of_button_presses = 1 # initialized with press
number_of_seven_presses = 1
number_of_square_presses = 0
number_of_times3_presses = 0
number_of_2_presses = 0
while current_value ** 2 < target:
current_value = current_value ** 2
number_of_button_presses += 1
number_of_square_presses += 1
print(current_value, number_of_button_presses)
while current_value * 3 < target:
current_value = current_value * 3
number_of_button_presses += 1
number_of_times3_presses += 1
print(current_value, number_of_button_presses)
n = (target - current_value) / 7
current_value += math.floor(n) * 7
number_of_button_presses += math.floor(n)
number_of_seven_presses += math.floor(n)
if current_value == target:
print("finished in {} presses"
"\n+7 presses {}"
"\n-2 presses {}"
"\ntimes 3 presses {}".format(number_of_button_presses,number_of_seven_presses,number_of_2_presses,
number_of_times3_presses))
exit()
else:
current_value += 7
number_of_seven_presses += 1
number_of_button_presses += 1
div = target - current_value
if div % 2 == 1:
current_value += 7
number_of_seven_presses += 1
number_of_button_presses += 1
while current_value != target:
current_value -= 2
number_of_2_presses += 1
number_of_button_presses += 1
print("finished in {} presses"
"\nsquare presses: {}"
"\n+7 presses: {}"
"\n-2 presses: {}"
"\ntimes 3 presses: {}".format(number_of_button_presses,number_of_square_presses, number_of_seven_presses, number_of_2_presses,
number_of_times3_presses))