#include
#include
#include
//#include
using namespace std;
typedef long long ll;
int main() {
ios_base::sync_with_stdio(false);
int n;
cin >> n;
vector cnt(1005, 0);
ll sum = 0;
for(int i = 0; i < n; i++) {
int a, b;
cin >> a >> b;
sum += b;
cnt[a] += b;
ll tmp_sum = 0;
for(int j = 0; j <= 1000; j++) {
tmp_sum += cnt[j];
if(tmp_sum >= (sum + 1) / 2) {
cout << j << "\n";
break;
}
}
}
return 0;
}