#include<stdio.h>

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

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;
}