#include <bits/stdc++.h>
using namespace std;
struct Stu {
    string gender; //性别
    double height; //身高
};
int n;
Stu a[45];
//自定义排序规则
bool cmp(Stu x, Stu y)
{
    if (x.gender != y.gender)
        return x.gender == "male" && y.gender == "female";
    if (x.gender == "male")
        return x.height < y.height;
    return x.height > y.height;    
}
int main()
{
    cin >> n;
    for (int i = 1; i <= n; i++)
        cin >> a[i].gender >> a[i].height;
    sort(a + 1, a + n + 1, cmp);
    for (int i = 1; i <= n; i++)
        cout << fixed << setprecision(2) << a[i].height << " ";
    return 0;
}