3 task

n = int(input())
ma = "n"
mi = "n"
for i in range(n):
    k = int(input())
    if k == 0:
        continue
    if k < 0 and ma == 'n':
        ma = k
    elif k > 0 and mi == 'n':
        mi = k
    elif k > 0 and k < mi:
        mi = k
    elif k < 0 and k > ma:
        ma = k

print(ma, mi)