#include<bits/stdc++.h>
using namespace std;
struct Person {
	string sex;
	double height;
};
const int N=50;
Person p[N];
bool cmp(Person a,Person b)
{
	if(a.sex=="male"&&b.sex=="female") return 1; 
	if(a.sex=="male"&&b.sex=="male"&&a.height<b.height) return 1;   
	if(a.sex=="female"&&b.sex=="female"&&a.height>b.height) return 1;   
	return 0;
}
int main()
{
	int n;
	cin>>n;
	for(int i=0;i<n;i++)
	{
		cin>>p[i].sex>>p[i].height;
	}
	sort(p,p+n,cmp);
	for(int i=0;i<n;i++)
	{
		cout<<fixed<<setprecision(2)<<p[i].height<<" "; 
	}
	return 0;
}