1 #include<cstdio>
 2 #include<cstdlib>
 3 #include<cstring>
 4 #include<iostream>
 5 #include<algorithm>
 6 using namespace std;
 7 #define LL long long
 8 
 9 LL myabs(LL x) {return x>0?x:-x;}
10 
11 LL gcd(LL a,LL b)
12 {
13     if(b==0) return a;
14     return gcd(b,a%b);
15 }
16 
17 int main()
18 {
19     int T;
20     scanf("%d",&T);
21     while(T--)
22     {
23         LL a,b,x,y;
24         scanf("%lld%lld%lld%lld",&a,&b,&x,&y);
25         a=myabs(a);b=myabs(b);
26         if(a==0&&b==0)
27         {
28             if(x==0&&y==0) printf("Y\n");
29             else printf("N\n");
30         }
31         else if(a==0||b==0)
32         {
33             if(a==0&&(x%b+b)%b==0&&(y%b+b)%b==0) printf("Y\n");
34             else if(b==0&&(x%a+a)%a==0&&(y%a+a)%a==0) printf("Y\n");
35             else printf("N\n");
36         }
37         else
38         {
39             LL g=gcd(a,b)*2;
40             x=(x%g+g)%g;
41             y=(y%g+g)%g;
42             if(x==0&&y==0) printf("Y\n");
43             else if(x==a%g&&y==b%g) printf("Y\n");
44             else if(x==b%g&&y==a%g) printf("Y\n");
45             else if(x==(a+b)%g&&y==(a+b)%g) printf("Y\n");
46             else printf("N\n");
47             
48         }
49     }
50     return 0;
51 }