1 import java.io.*;
2 import java.util.*;
3 import java.math.*;
4
5 class Main
6 {
7 public static void main (String[] args) throws java.lang.Exception
8 {
9 Scanner cin=new Scanner(System.in);
10 BigDecimal a,b,maxn,minn,k,res;
11 BigDecimal one=new BigDecimal("1");
12 BigDecimal five=new BigDecimal("5");
13 BigDecimal two=new BigDecimal("2");
14 while(cin.hasNext()){
15 a=cin.nextBigDecimal();
16 b=cin.nextBigDecimal();
17 maxn=a.max(b);
18 minn=a.min(b);
19 k=(one.add(sqrt(five,105))).divide(two);
20 res=(maxn.subtract(minn)).multiply(k);
21 res=res.setScale(0,BigDecimal.ROUND_DOWN);
22 if(res.compareTo(minn)==0)System.out.println(0);
23 else System.out.println(1);
24 }
25 }
26 public static BigDecimal sqrt(BigDecimal value, int scale){
27 BigDecimal num2 = BigDecimal.valueOf(2);
28 int precision = 100;
29 MathContext mc = new MathContext(precision, RoundingMode.HALF_UP);
30 BigDecimal deviation = value;
31 int cnt = 0;
32 while (cnt < precision) {
33 deviation = (deviation.add(value.divide(deviation, mc))).divide(num2, mc);
34 cnt++;
35 }
36 deviation = deviation.setScale(scale, BigDecimal.ROUND_HALF_UP);
37 return deviation;
38 }
39 }
