#include <iostream>
#include <bitset>
using namespace std;

int main() 
{
	constexpr size_t length = 16;
	bool input[length]={0};
	input[5]=true;
	bitset<length> bits;
	for(size_t i=0;i<length;++i )
	{
		bits[i]=input[i];
	}
	cout << oct << bits.to_ulong() << endl;
	return 0;
}