void main()
{
	int n,age[100],age1[100],t1,i,j,l1=0,l2=0;
	char id[100][10],t2[10]={" "},a[100][10]={" "},b[100][10]={" "};
	scanf("%d",&n);
	for(i=0;i<n;i++)
	{
		scanf("%s%d",&id[i],&age[i]);
		if(age[i]>=60)
		{
			strcpy(a[l1],id[i]);
			age1[l1]=age[i];
			l1+=1;
		}
		else 
		{
			strcpy(b[l2],id[i]);
			l2+=1;	
		}
	}
	for(i=1;i<l1;i++)
	{
		for(j=0;j<l1-i;j++)
		{
			if(age1[j]<age1[j+1])
			{
				t1=age1[j];
				age1[j]=age1[j+1];
				age1[j+1]=t1;
				strcpy(t2,a[j]);
				strcpy(a[j],a[j+1]);
				strcpy(a[j+1],t2);
			}
		}
	}
	for(i=0;i<l1;i++)
		printf("%s\n",a[i]);
	for(j=0;j<l2;j++)
		printf("%s\n",b[j]);
}