int main()
{
	int n,i,j,m=0,f=0;
	char sex[10];
	double male[40],female[40];
	double t;
	scanf("%d",&n);
	for(i=1;i<=n;i++)
	{
		scanf("%s",sex);
		if(strcmp(sex,"male")==0)
		{
			scanf("%lf",&male[m]);
			m++;
		}
		else
		{
			scanf("%lf",&female[f]);
			f++;
		}
	}
	for(i=0;i<=m-2;i++)
		for(j=0;j<=m-2-i;j++)
			if(male[j]>male[j+1])
			{
				t=male[j];
				male[j]=male[j+1];
				male[j+1]=t;
			}
	for(i=0;i<=f-2;i++)
		for(j=0;j<=f-2-i;j++)
			if(female[j]<female[j+1])
			{
				t=female[j];
				female[j]=female[j+1];
				female[j+1]=t;
			}
	printf("%.2f",male[0]);
	for(i=1;i<=m-1;i++)
		printf(" %.2f",male[i]);
	for(i=0;i<=f-1;i++)
		printf(" %.2f",female[i]);
	printf("\n");
	return 0;
}