a = 0 #Количество секунд
b = 0 #Счёт
v = 0
try:
    a = int(input())
except:
    v = 0
while True:
    if a > 480 or a < 1 :
        b = "error"
        print(b)
        break
    elif 0 < a < 60 :
        b = 100000
        print(b)
        break
    elif 59 < a < 120 :
        b = (99999 - int(19999 / 59 * (a - 60)))
        print(b)
        break
    elif 119 < a < 240 :
        b = (79999 - int(39999 / 119 * (a - 120)))
        print(b)
        break
    elif 239 < a < 360 :
        b = (39999 - int(19999 / 119 * (a - 240)))
        print(b)
        break
    else :
        b = (19999 - int(19999 / 120 * (a - 360)))
        print(b)
        break