#include<stdio.h>

bool calc(int a,int b)
{
	if(a==b)
		return a%2 ? 1:0;
	if(a>b)
		if(a%2)
			return 1;
		else if(a%2==0 && b%2==0)
			return 0;
		else return 1;
	return 0;
}

int main()
{
	int t,a,b;
	freopen("fructe.in","r",stdin);
	freopen("fructe.out","w",stdout);
	scanf("%d",&t);
	while(t--)
	{
		scanf("%d%d",&a,&b);
		printf("%d\n",calc(a,b));
	}
	return 0;
}