int main()
{
	char id[100][10],id1[100][10],t[10];
	int n,i,j,b,age[100],age1[100];
	scanf("%d",&n);
	for(i=0;i<n;i++){
		scanf("%s",id[i]);
		scanf("%d",&age[i]);
		strcpy(id1[i],id[i]);
		age1[i]=age[i];
	}
	for(i=0;i<n-1;i++){
		for(j=0;j<n-i-1;j++){
			if(age1[j]<age1[j+1]){
				b=age1[j];
				age1[j]=age1[j+1];
				age1[j+1]=b;
				strcpy(t,id1[j]);
				strcpy(id1[j],id1[j+1]);
				strcpy(id1[j+1],t);
			}
		}
	}
	for(i=0;i<n;i++){
		if(age1[i]>=60)
			printf("%s\n",id1[i]);
	}
	for(i=0;i<n;i++){
		if(age[i]<60)
			printf("%s\n",id[i]);
	}
	return 0;
}