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                (J U S T   L I K E   E V E R Y O N E   E L S E !)

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*/                              
#include<bits/stdc++.h>
using namespace std;
 
#define fastio ios_base::sync_with_stdio(0); cin.tie(0)
#define LL long long 
#define mod 1000000007 
#define FOR(i, j, k) for (int i=j ; i<k ; i++)
#define ROF(i, j, k) for (int i=j ; i>=k ; i--) 
#define debug(...) fprintf(stderr, __VA_ARGS__), fflush(stderr)
#define time__(d) for(long blockTime = 0; (blockTime == 0 ? (blockTime=clock()) != 0 : false); debug("%s time : %.4fs", d, (double)(clock() - blockTime) / CLOCKS_PER_SEC))

const long long INF = 1e18;
const long long MAX = 1e5+10;
vector<int>adj[2*MAX],vis(2*MAX,0); vector<int>l;
int cy=1;
void dfs(int u){
    vis[u]=1; l.push_back(u); //cout<<u<<" ";
    for(auto v : adj[u]){
        if(!vis[v]) dfs(v);
        else cy=v;
    }
}
int main(){
    fastio; 
    int t=1;// cin>>t;
    while(t--){
        LL n,k; cin>>n>>k;
        FOR(i,0,n) {
            int x; cin>>x; adj[i+1].push_back(x);
        }
        dfs(1);  
        int j = 0;
        FOR(i,0,l.size()) if(l[i]==cy) {j=i; break;}
        if(k<l.size()) cout<<l[k];
        else cout<<l[(k-j)%(l.size()-j) + j];
     //   for(auto x:l) cout<<x<<" ";
    }
}


Measured memory_bytes: 24968