#include <iostream>
#include <string>
using namespace std;
string s[100002];
int l[100002];
int i,j,n;
char c;
int main()
{cin>>n;
for(i=1;i<=n;i++)
{for(j=1;j<=8;j++)
  if(j==4)s[i]+="-";
  else
  {cin>>c;
  if(c=='-')j--;
            else if (c=='A' || c=='B' || c=='C')s[i]+= "2";
            else if (c=='D' || c=='E' || c=='F')s[i]+= "3";
            else if (c=='G' || c=='H' || c=='I')s[i]+= "4";
            else if (c=='J' || c=='K' || c=='L')s[i]+= "5";
            else if (c=='M' || c=='N' || c=='O')s[i]+= "6";
            else if (c=='P' || c=='R' || c=='S')s[i]+= "7";
            else if (c=='T' || c=='U' || c=='V')s[i]+= "8";
            else if (c=='W' || c=='X' || c=='Y')s[i]+= "9";
			else if ((c>='0')&&(c<='9'))s[i]+=c;
  }
}
for(i=1;i<=n;i++)l[i]=1;
for(i=1;i<=n-1;i++)
  for(j=i;j<=n;j++)
	  if((l[i]!=0)&&(l[j]!=0))
		  if(s[i]==s[j])
		  {l[i]++;
           l[j]--;
           }
for(i=1;i<=n-1;i++)
  for(j=i;j<=n;j++)
	  if((l[i]!=0)&&(l[j]!=0))		  
		  if(s[i]>s[j])
		  {s[100001]=s[i];
           s[i]=s[j];
		   s[j]=s[100001];
		   l[100001]=l[i];
           l[i]=l[j];
		   l[j]=l[100001];
		  }
j=0;
for(i=1;i<=n;i++)
if(l[i]>1){cout<<s[i]<<" "<<l[i]<<endl;j++;}
if(j==0)cout<<"No duplicates.";
return 0;
}

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