from sys import stdin, stdout
ins = stdin
outs = stdout
a = list(map(int, ins.readline().split()))
print(a)
a += [a[-1]]
ans = [0, 0]
state = 0
pos = 0
for i in range(len(a) - 1):
    if a[i] < a[i + 1]:
        pos = i
    if a[i] > a[i + 1]:
        ans = pos + 1, i + 1
if ans[1] - ans[0] != 0:
    print(ans)
else:
    print(0)