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#include <vector>
#include <iostream>

#if defined (_MSC_VER)
#include <intrin.h>
#define popcnt __popcnt
#else
#define popcnt __builtin_popcount
#endif

//using ull = unsigned long long;
using ul = unsigned long;

struct sphere
{
	ul center;
	ul coords;
};

short n;
sphere sphereA, sphereB, sphereC;

inline bool intersects(const sphere& s, const ul point)
{
	return popcnt(s.coords ^ point) <= s.center;
}

ul solve()
{
	const ul maxDim = ul(1) << n;
	ul answer = 0;

	for(ul x = 0; x < maxDim; ++x)
	{
		if (intersects(sphereA, x) || intersects(sphereB, x) || intersects(sphereC, x))
			++answer;
	}

	return answer;
}

void read_sphere(sphere& s)
{
	char x;
	std::cin >> s.center;
	s.coords = 0;

	for(int i = n - 1; i >= 0; --i)
	{
		std::cin >> x;
		if(x == '1')
			s.coords |= ul(1) << (ul)i;
	}
}

int main()
{
	std::ios::sync_with_stdio(false);
	std::cin >> n;

	read_sphere(sphereA);
	read_sphere(sphereB);
	read_sphere(sphereC);

	std::cout << solve();
	return 0;
}