#include <iostream>

template <typename... Args>
int countZeros(Args... args)
{
    int zeros = 0;
    for(int i : {args...}) {
        zeros += int(i == 0);
    }
    return zeros;
}

int main() {
	int varA = 1, varB = 0, varC = 3, varD = 0;
	std::cout << countZeros(varA, varB, varC, varD); 
	return 0;
}