include <bits/stdc++.h>

using namespace std;
int main()
{
freopen("PALIND.inp","r",stdin);
freopen("PALIND.out","w",stdout);
int n,b=0,a,l,k,c;
cin>>n;
while(n>0){
cin>>l>>k;
int t=l+k;
c=t;
while(t>0)
{
a=t%10;
t=t/10;
b=b*10+a;
}
if(b==c){
cout<<"1"<<endl;
}
else{
cout<<"0"<<endl;
}
n--;
}
return 0;
}