#include <iostream>

int main()
{
     int y = 0;
     int x = 1;
     int z;
     int fibonacci;
fibonacci;
     z = x + y;
     y = x;
     x = z;
     std::cout << x;
     if (x <= 10000);
     {
         goto fibonacci;
     }
     else
         if (x >=10000)
     {
         return 0;
     }

 }