#pragma GCC optimize("Ofast","inline","-ffast-math")
#pragma GCC target("avx,sse2,sse3,sse4,mmx")
#include <bits/stdc++.h>
#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/hash_policy.hpp>
//#define int long long
using namespace __gnu_pbds;
using namespace std;

struct custom_hash {
    static uint64_t splitmix64(uint64_t x) {
        x += 0x9e3779b97f4a7c15;
        x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9;
        x = (x ^ (x >> 27)) * 0x94d049bb133111eb;
        return x ^ (x >> 31);
    }

    size_t operator()(uint64_t x) const {
        static const uint64_t FIXED_RANDOM = chrono::steady_clock::now().time_since_epoch().count();
        return splitmix64(x + FIXED_RANDOM);
    }
};

int n,pre[5000010],nxt[5000010],vis[5000010];

inline int getint()
{
    int r=0;
    char ch=getchar();
    while(ch<'0'||ch>'9') ch=getchar();
    while(ch>='0'&&ch<='9'){
        r=r*10+ch-'0';
        ch=getchar();
    }
    return r;
}

signed main()
{
    n=getint();
    for(int i=0;i<=n;i++) nxt[i]=i+1,pre[i+1]=i;
    for(int i=1;i<=n;i++){
        int flag=getint();
        if(flag==1){
            int x=getint();
            if(vis[x]) continue;
            vis[x]=1;
            nxt[pre[x]]=nxt[x];
            pre[nxt[x]]=pre[x];
        }
        else{
            int x=getint();
            int pos=nxt[0];
            if(pos!=x) printf("%d\n",pos);
            else printf("%d\n",nxt[x]);
        }
    }
    return 0;
}