#include<bits/stdc++.h>
using namespace std;

double man[41];
double woman[41];
int main(){
	int n;
	cin>>n;
	string x;
	double y;
	int m=0,w=0;
	for(int i=0;i<n;i++){
		cin>>x>>y;
		if(x=="male"){
			man[m]=y;
			m++;
		}
		if(x=="female"){
			woman[w]=y;
			w++;
		}
	}
	sort(man,man+m);
	sort(woman,woman+w);
	w=w-1;
	for(int i=0;i<m;i++){
		printf("%.2lf",man[i]);
		cout<<" ";
	}
	for(int j=w;j>=0;j--){
		printf("%.2lf",woman[j]);
		cout<<" ";
	}
    return 0;
}