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#include <bits/stdc++.h>
using namespace std;
ifstream fin ("nums.in");
ofstream fout ("nums.out");
int n, m,k, aib[100002];
string v[100002], s[100002];
int q[100002], viz[100002], nr[100002];
void update (int x) {
for (int i = x; i <= m; i += (i & -i))
aib[i]++;
}
int query (int x) {
int s = 0;
for (int i = x; i; i -= (i & -i))
s += aib[i];
return s;
}
bool cmp (string a, string b) {
if (a.size() != b.size())
return a.size() < b.size();
else
return a < b;
}
int main()
{
fin >> n;
m = 0;
for (int i = 1; i <= n; i++) {
int t;
fin >> t;
q[i] = t;
if (t) {
fin >> v[i];
s[++m] = v[i];
}
else
fin >> nr[i];
}
sort(s + 1,s + m + 1, cmp);
int m1 = 0;
for (int i = 1; i <= m; i++)
if (i == 1 || s[i] != s[i - 1]) {
s[++m1] = s[i];
}
m = m1;
for (int i = 1; i <= n; i++) {
if (q[i]) {
int poz = lower_bound(s + 1, s + m + 1, s[i]) - s;
if (!viz[poz])
update(poz);
viz[poz] = 1;
}
else {
int st = 1, dr = m, ans = -1;
while (st <= dr) {
int mij = (st + dr) / 2;
if (query(mij) >= nr[i]) {
ans = mij;
dr = mij - 1;
}
else
st = mij + 1;
}
fout << s[ans] << "\n";
}
}
return 0;
}