from math import e
try:
    sum = 0
    counter = 0
    counter1 = 0
    while True:
        n = int(input())
        if n < 0:
            counter1 += 1
        else:
            sum += n
            counter += 1
except EOFError:
    print((counter1))
    if counter == 0:
        print('0.0')
    else:
        print(f'{(sum / counter):.1f}')