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#include <bits/stdc++.h> using namespace std; int main(){ int q;cin >> q; vector<string> y(0); for(int i=0;i<q;i++){ int n;cin >> n; if(n==1){ string s;cin >> s; y.push_back(s); } else { int y0=y.size(); if(y0==0)cout << "何もなくてごめんね" <<endl; else if(y0==1){cout << y[0] << "しかなかったんだけどいいかな" << endl;y.erase(y.begin());} else {cout << y[y0-2] <<"だけどいいかな" <<endl;y.erase(y.begin());} } } cout << y.size()<<endl; }