#include<iostream>

#include<string>

#include<cstring>

#include<list>

#include<map>

#include<boost/regex.hpp>

int main(){

    string s = "1+1=2", first, second;

    boost::regex re("=");

    boost::sregex_token_iterator begin(s.begin(),s.end(),re,-), end;

    if(begin != end){

        first = *begin;

        ++begin;

    }

    if(begin != end){

        second = *begin;

        ++begin;

    }

     cout<<first<<" "<<second<<endl;

    return ;

}