Histogram

n = int(input())

counter1 = 0
counter2 = 0
counter3 = 0
counter4 = 0
counter5 = 0

for i in range(1, n+1):
    num = int(input())
    if num < 200:
        counter1 +=1
    elif num >= 200 and num <= 399:
        counter2 +=1
    elif num >= 400 and num <= 599:
        counter3 +=1
    elif num >= 600 and num <= 799:
        counter4 +=1
    elif num >= 800:
        counter5 +=1

p1 = counter1 / n *100
p2 = counter2 / n *100
p3 = counter3 / n *100
p4 = counter4 / n *100
p5 = counter5 / n *100

print(f"{p1:.2f}%")
print(f"{p2:.2f}%")
print(f"{p3:.2f}%")
print(f"{p4:.2f}%")
print(f"{p5:.2f}%")