#include <bits/stdc++.h> using namespace std; int a[105]; int b[105];

int main() { int n; cin >> n; int x, y; cin >> x >> y; a[0] = x; b[0] = y; int i = 1; while (n--) { int bb, cz, wz, qg; cin >> bb >> cz >> wz; if (cz == 1) { cin >> qg; a[i] = a[bb]; b[i] = b[bb]; if (wz == 1) { a[i] = qg; } else { b[i] = qg; } i++; } else { a[i] = a[bb]; b[i] = b[bb]; if (wz == 1) { cout << a[i] << "\n"; } else { cout << b[i] << "\n"; } i++; } } }