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#include <bits/stdc++.h>
using namespace std;
int main() {
queue<int> q;
int n;
cin >> n;
for (int i = 0; i < n; ++i) {
string cmd;
int num;
cin >> cmd >> num;
if (cmd == "push")q.push(num);
else if (cmd == "pop") {
for (int j = 0; j < num; ++j) {
int temp = q.front();
q.pop();
q.push(temp);
}
}
}
int p;
cin >> p;
for (int i = 0; i < p - 1; ++i) {
q.pop();
}
cout << q.front() << endl;
return 0;
}