#include<iostream>

using namespace std;

const int N = 10005;

int n , fa[N], k;

int main()

{

cin >> n >> k;

for(int i = 1; i <= n; i++)

{

cin >> fa[i];

}

int x = k;

while(true)

{

cout << x << " ";

if(x == fa[x])

{

break;

}

x = fa[x];

}

return 0;

}