#include <iostream>
#include <string>
 
template<int base>
std::string funkyadd(std::string a, std::string b)
{
	if (a.size() < b.size()) return funkyadd<base>(b, a);
 
	for ( int i = a.size() - 1, c = 0, d = a.size() - b.size(); (i >= 0) || c; i--)
		!((i < 0) && c && a.insert(0, "1").empty()) && (c = (a[i] += ((i >= d) ? b[i - d] - '0' : 0) + c) > ('/' + base))  && (a[i] -= base);
 
	return a;
}
 
int main()
{
	std::cout << funkyadd<2>("101101001001010", "101010101101010") << std::endl;
}

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