#include<bits/stdc++.h>
#include"interactor.h"
#define uint64_t unsigned long long
#define uint32_t unsigned int
using namespace std;
uint64_t ask(uint32_t low,uint32_t high,int rev)
{
	return getperm((uint64_t)low|(uint64_t)high<<32,rev);
}
void to32(uint64_t x,uint32_t &low,uint32_t &high)
{
	low=x;
	high=x>>32;
}
int guessb()
{
	uint32_t x0=0,x1=0,x3,x4;
	uint32_t xx0,xx1,xx3,xx4;
	uint32_t xxx0,xxx1,xxx3,xxx4;
	uint64_t ret=ask(x0,x1,0);
	to32(ret,x3,x4);
	xx4=1;
	ret=ask(x3,xx4,1);
	to32(ret,xx0,xx1);
	xxx0=xx0^x4^xx4;
	ret=ask(xxx0,xx1,0);
	to32(ret,xxx3,xxx4);
	if(xx1^xxx3^x1^x3)
		return 0;
	return 1;
}