import time

def while_backward_count(number):
    while(number > -1):
        print(str(number) + " for the explosion!!!")
        time.sleep(1)
        number = number -1

number = eval(input('Enter a number: '))
print("Let's count backward using a while sentence!!")
while_backward_count(number)
print("Kaboooommm!!!, X_X")