#include<iostream>
#include<string>
#include<map>
#include<queue>
#include<vector>
#include<cstdlib>
#include<cstdio>
using namespace std;

int cnt[26];

int main(){
    string str;
    getline(cin,str);
    map<string,int> hash;
    priority_queue<string,vector<string>,greater<string>> heap;
    string tmp="";
    for(int i=0;i<str.size();i++){
        if(65<=str[i]&&str[i]<=90) str[i] += 'a'-'A';
        if(str[i]!=' '&&str[i]!=','&&str[i]!='.') tmp+=str[i];
        else{
            if(tmp.size()==0) continue;
            if(hash[tmp]==0) heap.push(tmp); 
            hash[tmp]++;
            //cout<<tmp<<endl;
            tmp.clear();
        }
    }
    if(tmp.size()!=0){
        if(hash[tmp]==0) heap.push(tmp); 
        hash[tmp]++;
    }
    int n = heap.size();
    for(int i=0;i<n;i++){
        cout<<heap.top()<<':'<<hash[heap.top()]<<endl;
        heap.pop();
    }
    return 0;

}