#include <iostream>
#include <string>
 
std::string number_to_string_with_nulls(int n)
{
	char raw[32] = {};
	snprintf(raw, 32, "%08d", n);
	return raw;
}
 
 
int main() {
	std::cout << number_to_string_with_nulls(0) << std::endl;
	std::cout << number_to_string_with_nulls(12) << std::endl;
	std::cout << number_to_string_with_nulls(1024) << std::endl;
	std::cout << number_to_string_with_nulls(99999999) << std::endl;
	std::cout << number_to_string_with_nulls(999999991) << std::endl;
	return 0;
}

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