#include<iostream>#include<map>#include<string>#include<utility>using namespace std;int main(){    map<string,size_t> word_count;    string word;    while(cin>>word)    {        auto ret=word_count.insert({word,1});        if(!ret.second)            ++ret.first->second;    }    auto map_it=word_count.begin();    while(map_it!=word_count.end())    {         cout<<map_it->first<<" "<<map_it->second<<endl;         ++map_it;    }    return 0;}