Savings

dohod = float(input())
months_have = int(input())
expences = float(input())

save_per = ((dohod - expences - dohod * 0.3) / dohod) * 100
sum_saved = (dohod - expences - dohod * 0.3) * months_have

print(f"She can save {save_per:.2f}%")
print(f"{sum_saved:.2f}")