import sys
input = sys.stdin.readline
def read_values(): return tuple(map(int, input().split()))
def read_list(): return list(read_values())

def main():
    n, k = read_values()
    a = read_list()
    ng = 0
    ok = 10 ** 10
    while ng + 1 < ok:
        m = (ng + ok) //2
        s = sum(1 for v in a if v < m)
        if s < k:
            ng = m
        else:
            ok = m
    ans = [i + 2 for i in range(n-1) if a[i] < ok and a[i + 1] >= ok]
    print(len(ans))
    print(*ans)
    
if __name__ == "__main__":
    main()