22 lines
476 B
C++
22 lines
476 B
C++
#include<cstdio>
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typedef long long LL;
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LL T,a,b,x,y,c;
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LL gcd(LL a,LL b) { return b==0?a:gcd(b,a%b); }
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inline bool chk(LL x,LL y) { return x%c==0&&y%c==0; }
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int main()
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{
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#ifdef local
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freopen("pro.in","r",stdin);
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#endif
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scanf("%lld",&T);
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while(T-->0)
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{
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scanf("%lld%lld%lld%lld",&a,&b,&x,&y);
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c=2*gcd(a,b);
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if(a==0&&b==0&&!(x==0&&y==0)) { puts("N"); continue; }
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if(chk(x,y)||chk(x+a,y+b)||chk(x+b,y+a)||chk(x+a+b,y+a+b)) puts("Y");
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else puts("N");
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}
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return 0;
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}
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