#include <iostream>
#include <fstream>
#include <sstream>
#include <iomanip>
#include <string>
#include <cmath>
#include <cassert>

using namespace std;

typedef long long int lli;
typedef unsigned long long int ulli;
typedef unsigned int ui;
typedef unsigned char byte;

void bin_print(int n)
{ ui mask = 0x80000000;
  while (mask != 0)
  { int digit = n & mask;
    if (digit)
      cout << 1;
    else
      cout << 0;
    mask >>= 1; } }

void bin_print(lli n)
{ ulli mask = 0x8000000000000000LL;
  while (mask != 0)
  { lli digit = n & mask;
    if (digit)
      cout << 1;
    else
      cout << 0;
    mask >>= 1; } }

int main(int argc, char * argv[])
{ int a = 12345678, b = 87654321;
  int c = a * b;
  cout << setw(32) << "";
  bin_print(c);
  cout << " = " << c << "\n";

  lli x = 12345678, y = 87654321;
  lli z = x * y;
  bin_print(z);
  cout << " = " << z << "\n"; }