n, s, t = map(int, input().split())
dists = [int(i) for i in input().split()]
d1 = dists[:s-1]
d2 = dists[s-1:]
sol = []

diff = t

for idx, i in enumerate(d1):
    if idx != 0:
        diff += i - d1[idx - 1]
    if diff >= t and i <= dists[s] - t:
        sol.append(idx + 1)
        diff = 0

diff = t

for idx, i in enumerate(d2):
    if idx != 0:
        diff += i - d2[idx - 1]
    if diff >= t:
        sol.append(idx + s)
        diff = 0

print(len(sol))
print(" ".join(map(str, sol)))