#include <iostream>
#include <conio.h>
#include <windows.h>
using namespace std;

int main()
{
    int second1 = 0,second2 = 0;
    bool keepGoing(true);

    do {
  while (second2 < 9) {
    second2++;
    cout << second1 << second2;
    Sleep(1000);
    system("CLS");
    keepGoing = true;
  }

  while (second2 != 0) {
    second1++;
    second2 = 0;
    cout << second1 << second2;
  }
    } while (keepGoing = true);

    return 0;
}