#include <iostream>
#include <ctime>
#include <cstdlib>
int main()
{
srand(time(0));
while(true)
int a = 0 + rand() % 19;
std::cout << a << std::endl;
if (a == 10)
break;
int b = 0 + rand() % 19;
std::cout << b << std::endl;
}
return 0;