02. Mountain Run

import math

record_sec = float(input())
distance_metric = float(input())
time_1metric = float(input())

need_time = distance_metric * time_1metric
need_time_slow = math.floor(distance_metric/50)
need_time_slow1 = need_time_slow * 30
all_time_need = need_time_slow1 + need_time
shorter_seconds = abs(record_sec - all_time_need)
if all_time_need >= record_sec:
    print (f"No! He was {shorter_seconds:.2f} seconds slower.")
else:
    print(f"Yes! The new record is {all_time_need:.2f} seconds.")