#include<iomanip.h>
#include<string.h>
#include<stdio.h>
char a[100005][1000],b[1000],c[1000];
int aa[100005]={0};
void quicksort(char b[][1000],int bb[],int s,int t)
{
	int i=s,j=t+1;
	char x[1000];
	strcpy(x,b[s]);
	int xx=bb[s];
	do{
		do i++;while(strcmp(b[i],x)<0);
		do j--;while(strcmp(b[j],x)>0);
		if(i<j)
		{
			char temp[1000];
			strcpy(temp,b[i]);
			strcpy(b[i],b[j]);
			strcpy(b[j],temp);
			int te=bb[i];
			bb[i]=bb[j];
			bb[j]=te;
		}
	}while(i<j);
	strcpy(b[s],b[j]);
	strcpy(b[j],x);
	bb[s]=bb[j];
	bb[j]=xx;
	if(s<j-1)quicksort(b,bb,s,j-1);
	if(j+1<t)quicksort(b,bb,j+1,t);
}

int main()
{
	int n,i,j,k=0,kk=0;
	cin>>n;
	for(i=0;i<n;i++)
	{
		scanf("%s",&b);k=0;
		int len=strlen(b);
		for(j=0;j<len;j++)
		{
			if(k==3)
			{
				c[k++]='-';
			}
			if(b[j]>='0'&&b[j]<='9')
			{
				c[k++]=b[j];
			}
			else
				if(b[j]>='A'&&b[j]<='C')
				{
					c[k++]='2';
				}
				else
					if(b[j]>='D'&&b[j]<='F')
					{
						c[k++]='3';
					}
					else
						if(b[j]>='G'&&b[j]<='I')
						{
							c[k++]='4';
						}
						else
							if(b[j]>='J'&&b[j]<='L')
							{
								c[k++]='5';
							}
							else
								if(b[j]>='M'&&b[j]<='O')
								{
									c[k++]='6';
								}
								else
									if(b[j]>='P'&&b[j]<='S')
									{
										c[k++]='7';
									}
									else
										if(b[j]>='T'&&b[j]<='V')
										{
											c[k++]='8';
										}
										else
											if(b[j]>='W'&&b[j]<='Y')
											{
												c[k++]='9';
											}
		}
		for(j=0;j<kk;j++)
		{
			if(strcmp(a[j],c)==0)
			{
				aa[j]++;
				break;
			}
		}
		if(j>=kk)
		{
			aa[kk]++;
			strcpy(a[kk++],c);
		}
	}
	k=0;
	quicksort(a,aa,0,kk);
	for(i=1;i<=kk;i++)
	{
		if(aa[i]>=2)
		{
			cout<<a[i]<<" "<<aa[i]<<endl;
			k++;
		}
	}
	if(k==0)
	{
		cout<<"No duplicates."<<endl;
	}
	return 0;
}