#include <iostream>
#include "proj3_bigint.h"

using namespace std;

main()
{
  bigint x;
  bigint y;

  if (x == y) cout << x << " is equal to " << y << "." << endl;
  if (x != y) cout << x << " is not equal to " << y << "." << endl;
  if (x > y) cout << x << " is larger than " << y << "." << endl;
  if (x >= y) cout << x << " is larger than or equal to " << y << "." << endl;
  if (x < y) cout << x << " is smaller than " << y << "." << endl;
  if (x <= y) cout << x << " is smaller than or equal to " << y << "." << endl;

  bigint x1(123456789);
  bigint y1(111111111);

  if (x1 == y1) cout << x1 << " is equal to " << y1 << "." << endl;
  if (x1 != y1) cout << x1 << " is not equal to " << y1 << "." << endl;
  if (x1 > y1) cout << x1 << " is larger than " << y1 << "." << endl;
  if (x1 >= y1) cout << x1 << " is larger than or equal to " << y1 << "." << endl;
  if (x1 < y1) cout << x1 << " is smaller than " << y1 << "." << endl;
  if (x1 <= y1) cout << x1 << " is smaller than or equal to " << y1 << "." << endl;

  bigint x2(123456789, 111, 111, 111, 111);
  bigint y2(111111111, 111, 111, 111, 111);

  if (x2 == y2) cout << x2 << " is equal to " << y2 << "." << endl;
  if (x2 != y2) cout << x2 << " is not equal to " << y2 << "." << endl;
  if (x2 > y2) cout << x2 << " is larger than " << y2 << "." << endl;
  if (x2 >= y2) cout << x2 << " is larger than or equal to " << y2 << "." << endl;
  if (x2 < y2) cout << x2 << " is smaller than " << y2 << "." << endl;
  if (x2 <= y2) cout << x2 << " is smaller than or equal to " << y2 << "." << endl;

  bigint x3(123456789, 12,12);
  bigint y3(111111111, 13, 12);

  if (x3 == y3) cout << x3 << " is equal to " << y3 << "." << endl;
  if (x3 != y3) cout << x3 << " is not equal to " << y3 << "." << endl;
  if (x3 > y3) cout << x3 << " is larger than " << y3 << "." << endl;
  if (x3 >= y3) cout << x3 << " is larger than or equal to " << y3 << "." << endl;
  if (x3 < y3) cout << x3 << " is smaller than " << y3 << "." << endl;
  if (x3 <= y3) cout << x3 << " is smaller than or equal to " << y3 << "." << endl;

  bigint x4(999999999, 999999999, 999999999, 20);

  cout << x4 << "+1 = " << x4 + 1 << endl;

  bigint y4(000000000, 000000000, 000000000, 000000000, 0000000001);

  cout << y4 << "-1 = " << y4-1 << endl;

  cout << x1+x2+x3+x4-y3+1 << endl;

  for (int i=0; i<3; i++) {
    bigint x5, y5;
    cin >> x5 >> y5;
    cout << "x = " << x5 << endl;
    cout << "y = " << y5 << endl;
    
    cout << "x+y=" << x5+y5 << endl;
    cout << "x-y=" << x5-y5 << endl;
  }
}