#include "biginteger.h"

int f() {

	for () {

		for () {

			for () {
				for () {
					for () {
						
						mk
						for () {

							for () {

								for () {
									for () {

									}
								}
							}
						}
					}
				}
			}

		}
	}
}
int main() {
  BigInteger a = 10, b = 1;
  std::cout << a * b << " " << (a /= a) << std::endl;
}