the_biscuit_factory

from math import floor

biscuits = int(input())
workers = int(input())
competitor_biscuits = int(input())
total_biscuits = 0

for each_day in range(1, 31):
    biscuits_per_day = workers * biscuits
    if each_day % 3 == 0:
        biscuits_per_day = floor(biscuits_per_day * 0.75)
    total_biscuits += biscuits_per_day

print(f'You have produced {total_biscuits} biscuits for the past month.')

percentage = total_biscuits / competitor_biscuits * 100

if total_biscuits > competitor_biscuits:
    print(f'You produce {percentage - 100:.2f} percent more biscuits.')
else:
    print(f'You produce {100 - percentage:.2f} percent less biscuits.')