int main()
{
	int i,j,k=0,n;
	double a[50]={0},e;
	char b[50][10]={'\0'},c[20]={'\0'};
	scanf("%d",&n);
	for(i=0;i<n;i++){
		scanf("%s %lf",b[i],&a[i]);
	}
	for(i=1;i<=n;i++){
		for(j=0;j<n-i;j++){
			if(a[j]<a[j+1]){
				e=a[j];
				a[j]=a[j+1];
				a[j+1]=e;
				strcpy(c,b[j]);
				strcpy(b[j],b[j+1]);
				strcpy(b[j+1],c);
	}}}
	for(i=n-1;i>=0;i--){
		if(strcmp(b[i],"male")==0){
			if(k==0){
				printf("%.2lf",a[i]);
				k++;
			}
			else printf(" %.2lf",a[i]);
		}
	}
	for(i=0;i<n;i++){
		if(strcmp(b[i],"female")==0){
			printf(" %.2lf",a[i]);			
	}}
	return 0;
}
