import math


count = 0
while count < 3:
    print("{}번째의 while 문!".format(count))
    count += 1

print("")
print("")

count = 0
while count < 100:
    if count % 3 == 0:
        print("{:.0f}번째 3의배수 : {}".format(count / 3, count))
    count += 1

number = 10
count = 1
while number <= 1000000:
    print(f"{count:.0f}번쨰 실행 {number}")
    number *=10
    count = math.log10(number)