#include<bits/stdc++.h>
#define ll long long
using namespace std;
ll a,b,num;
int ans;
long double cmp;
ll read(){
	char ch=getchar();
	ll s=0,w=1;
	while(ch<'0' or ch>'9'){
		if(ch=='-') w=-1;
		ch=getchar();
	}while(ch>='0' and ch<='9'){
		s=s*10+ch-'0';
		ch=getchar();
	}return s*w;
}
int main(){
	a=read(),b=read();
	if(b>a) swap(a,b);
	num=a-b;
	cmp=(sqrt(5.0)+1.0)/2.0;
	ans=cmp*num;
	if(ans==b) cout<<0;
	else cout<<1;
//	cout<<endl<<num<<' '<<cmp<<' '<<ans;
	return 0;
}