let nk = readLine()!.split(separator: " ").map{Int($0)!}
let (n,k) = (nk[0],nk[1])
let sleep = readLine()!.split(separator: " ").map{Int($0)!}
let sp2 = sleep.sorted()
let j = sp2[k-1]
var ansArray = [Int]()
for i in 1..<n{
    if sleep[i] > j && sleep[i-1] <= j{
       ansArray.append(i+1)
    }
}
let ans2 = ansArray.map{String($0)}.joined(separator: " ")
print(ansArray.count)
print(ans2)