#include <iostream>
#include <map>

    struct pair
    {
        std::string offs;
        std::string scal;
        pair(const std::string& o, const std::string& s)
        {
            offs = o;
    	scal = s;
	}
    };


void f()
{
    std::map<std::string,pair> old_ch_names;
}

int main()
{
    f();
    return 0;
}