#include <stdio.h>

int main()
{
    long long p=0,b=0,t=0,i=0;
    freopen("fructe.in","r",stdin);
    freopen("fructe.out","w",stdout);
    scanf("%d",&t);
    for (i=0; i<t; ++i)
    {
        scanf("%d%d",&p,&b);
        if (p%2==1 && b%2==1) printf("1\n");
        else if (p%2==0 &&b%2==0) printf("1\n");
        else printf("0\n");
    }
    return 0;
}