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#include <algorithm>
#include <iostream>
#include <vector>
using ll = long long;

int main() {
	std::ios_base::sync_with_stdio(0); std::cin.tie(0);
	
	int n;
	std::cin >> n;
	
	std::vector<std::pair<bool, int>> ranking(n);
	
	for (int i = 0; i < n; ++i) {
		std::string yesno;
		int nfinals;
		std::cin >> yesno >> nfinals;
		ranking[i] = {yesno == "TAK", nfinals};
	}
	
	std::vector<int> guys;
	
	for (int i = 0; i < n && guys.size() < 20; ++i) {
		auto [wants, nfinals] = ranking[i];
		int nguys = guys.size();
		if (nguys < 10) {
			if (wants) {
				guys.push_back(i);
			}
		} else {
			if (wants && nfinals < 2) {
				guys.push_back(i);
			}
		}
	}
	
	for (int dude : guys) {
		std::cout << dude + 1 << ' ';
	}
	std::cout << '\n';
}