#include <iostream>
using namespace std;
void decimalToBinary(int number)
{
if (number == 1 || number == 0)
cout << number;
else
{
decimalToBinary(number / 2);
cout << number % 2;
}
}
int main()
{
for (int i = 10; i <= 50; i++)
{
decimalToBinary(i);
cout << endl;
}
cin.get();
return 0;
}