04. Workout

import math

cicles = int(input())
first_day = float(input())
total = first_day

for i in range(cicles):
    percent = int(input()) / 100
    first_day *= (1 + percent)
    total += first_day

if total >= 1000:
    print(f"You've done a great job running {math.ceil(total - 1000)} more kilometers!")
else:
    print(f"Sorry Mrs. Ivanova, you need to run {math.ceil(1000 - total)} more kilometers")