#include <bits/stdc++.h>
#define ll long long
#define ld long double
using namespace std;
#define rep(i, n) for (int i = 0; i < (n); ++i)
#define rep1(i, n) for (int i = 1; i <= (int)(n); ++i)
#define rrep(i, n) for (int i = (int)(n) - 1; i >= 0; --i)
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define sz(x) (int)(x).size()
#define pb push_back
#define eb emplace_back
#define fi first
#define se second
#define mp make_pair
#define mt make_tuple
#define yn(ans) cout << (ans ? "Yes" : "No") << "\n"

int main()
{
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  int q;cin>>q;
  int t,a,b,cnt=1;
  vector<int> ans;
  while(q--){
    cin>>t;
    if(t==1){
      cin>>a>>b;
      ans.pb(a+b);
    }else{
      ans.pb(cnt);
    }
    cnt++;
  }
  for(int c:ans)cout<<c<<endl;
}