#include<cstdio>
int a[105][2];
int main (){
long long n,i,ok=0;
freopen("fructe.in","r",stdin);
freopen("fructe.out","w",stdout);
scanf("%lld",&n);
for(i=1;i<=n;++i)
scanf("%d %d",&a[i][1],&a[i][2]);
for(i=1;i<=n;++i)
if(a[i][1]==a[i][2])printf("%d\n",0);
else printf("%d\n",1);
}