#include <iostream>

int main()
{
  // std::cout << sizeof(int) << std::endl;
  // std::cout << sizeof(double) << std::endl;
  // std::cout << sizeof(char) << std::endl;

  std::cout << sizeof(int *) << std::endl;
  std::cout << sizeof(double *) << std::endl;
  std::cout << sizeof(char *) << std::endl;
}
