zuma

#include<bits/stdc++.h>
using namespace std;
int a[1000010];
int main(){
    int n,k,v,l,r,now,cnt;
    bool raberd=false;
    cin>>n>>k>>v;
    for(int i=0;i<n;i++){
        cin>>a[i];
    }
    l=k-1;
    r=k;
    now=v;
    if(l>=0 && r<n && a[l]==v && a[r]==v){
        // shoot in the middle
        raberd=true;
    }else if(r+1 < n && a[r] == v && a[r+1] == v){
        // shoot in the left
        raberd=true;
    }else if(l-1>=0 && a[l] == v && a[l-1] == v){
        // shoot in the right
        raberd=true;
    }
    cnt=1;
    while(raberd){
        int tmpL = l, tmpR = r;
        while(l>=0 && a[l]==now){
            l--;
            cnt++;
        }
        while(r<n && a[r]==now){
            r++;
            cnt++;
        }
        if(cnt<3){
            raberd=false;
            l = tmpL;
            r = tmpR;
            break;
        }
        cout << l << " " << r << endl;
        if(l == -1 || r == n)
            break;
        now=a[l];
        cnt=0;
    }
    if(l==-1&&r==n){
        return 0;
    }
    for(int i=0;i<=l;i++){
        cout<<a[i]<<" ";
    }
    if(r-l == 1)
        cout << v << " ";
    for(int i=r;i<n;i++){
        cout<<a[i]<<" ";
    }
    return 0;
}
/*
1 3 1 4 4 1 1 5 5 5
  ^           ^
*/