#include<iostream.h>
#include<stdlib.h>
#include<stdio.h>
struct tel
{
	int num;
	char telnum[8];
	tel*next;
};
void main()
{
	char*telnum1;   
	int i=0,j=0,n=0,k,k1=0,k2;
	tel*head,*ps,*pend,*head1,*head2;
	
	head=new tel;
	head->num=1;
	ps=head;
	pend=head;
	head1=head;
	pend->next=NULL;
	
	cin>>k;
	k2=k-1;
	while(k!=0)
	{
		
		telnum1=new char[20];
		scanf("%s",telnum1);
		while(j<7)
		{
			if(telnum1[i]>='0'&&telnum1[i]<='9')
			{
				ps->telnum[j]=telnum1[i];
				j++;
			}
			else if('L'<telnum1[i]&&telnum1[i]<'Z')
			{
				if('M'<=telnum1[i]&&'O'>=telnum1[i])
					ps->telnum[j]='6';
				else if('P'<=telnum1[i]&&'S'>=telnum1[i])
					ps->telnum[j]='7';
				else if('T'<=telnum1[i]&&'V'>=telnum1[i])
					ps->telnum[j]='8';
				else if('W'<=telnum1[i]&&'Y'>=telnum1[i])
					ps->telnum[j]='9';
				j++;
			}
			else if('A'<=telnum1[i]&&telnum1[i]<'M')
			{
				if(telnum1[i]>='A'&&telnum1[i]<='C')
					ps->telnum[j]='2';
				else if('D'<=telnum1[i]&&'F'>=telnum1[i])
					ps->telnum[j]='3';
				else if('G'<=telnum1[i]&&'I'>=telnum1[i])
					ps->telnum[j]='4';
				else if('J'<=telnum1[i]&&'L'>=telnum1[i])
					ps->telnum[j]='5';
				j++;
			}
			i++;
		}
		while(k<=k2)
		{
			if(atoi(pend->telnum)<atoi(ps->telnum))
			{
				pend->next=ps;
				pend=ps;
				pend->next=NULL;
				break;
			}
			else if(atoi(pend->telnum)==atoi(ps->telnum))
			{
				pend->num++;
				delete ps;
				break;
			}
			while(1)
			{
				if(atoi(head1->telnum)==atoi(ps->telnum))
				{
					head1->num++;
					delete ps;
					n=1;
					break;
				}
				else if(atoi(head1->telnum)>atoi(ps->telnum))
				{
					ps->next=head1;
					head=ps;
					n=1;
					break;
				}
				while(atoi(head1->telnum)<atoi(ps->telnum))
				{
					head2=head1;
					head1=head1->next;
				}
				if(atoi(head1->telnum)==atoi(ps->telnum))
				{
					head1->num++;
					delete ps;
					n=1;
					break;
				}
				else if(atoi(head1->telnum)>atoi(ps->telnum))
				{
					ps->next=head1;
					head2->next=ps;
					n=1;
					break;
				}
			}
			if(n==1)
			{
				head1=head;
				break;
			}
		}
		ps=new tel;
		ps->num=1;
		delete[]telnum1;
		n=0;
		i=0;
		j=0;
		k--;
	}
	delete ps;
	while(head->next!=NULL)
	{
		if(head->num!=1)
		{
			for(i=0;i<3;i++)
				cout<<head->telnum[i];
			cout<<'-';
			for(i=3;i<7;i++)
				cout<<head->telnum[i];
			cout<<" "<<head->num<<endl;
			k1++;
		}
		head=head->next;
	}
	if(head->num==1&&k1==0)
		cout<<"No duplicates."<<endl;
	else if(head->num!=1)
	{
		for(i=0;i<3;i++)
			cout<<head->telnum[i];
		cout<<'-';
		for(i=3;i<7;i++)
			cout<<head->telnum[i];
		cout<<" "<<head->num<<endl;
	}
	
}