#include <bits/stdc++.h>
using namespace std;
multiset<double> s1, s2;
int main()
{
int n;
string s;
double a;
cin >> n;
while (n--)
{
cin >> s >> a;
if (s == "female")
s1.insert(a);
else
s2.insert(a);
}
for (auto i = s2.begin(); i != s2.end(); i++)
printf("%.2lf ", *i);
for (auto i = s1.rbegin(); i != s1.rend(); i++)
printf("%.2lf ", *i);
return 0;
}