#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include //#include //#include //using Modint = atcoder::modint998244353; using namespace std; typedef long long ll; void ex_gcd(ll a, ll b, ll &d, ll &x, ll &y) { if (!b) { d = a; x = 1; y = 0; } else { ex_gcd(b, a % b, d, y, x); y -= a / b * x; } } ll inv(ll a, ll n) { ll d, x, y; ex_gcd(a, n, d, x, y); return d == 1 ? (x % n + n) % (n / d) : -1; } ll gcd(ll x, ll y) { if (y == 0) return x; return gcd(y, x % y); } int gcd(int x, int y) { if (y == 0) return x; return gcd(y, x % y); } inline bool scan_d(int &ret) { char c; int sgn; if(c=getchar(),c==EOF) return 0; //EOF while(c!='-'&&(c<'0'||c>'9')) c=getchar(); sgn=(c=='-')?-1:1; ret=(c=='-')?0:(c-'0'); while(c=getchar(),c>='0'&&c<='9') ret=ret*10+(c-'0'); ret*=sgn; return 1; } const int maxn = 100005; const int mod = 1000000007; int main() { #ifdef suiyuan2009 freopen("/Users/suiyuan2009/CLionProjects/icpc/input.cpp", "r", stdin); freopen("/Users/suiyuan2009/CLionProjects/icpc/output.cpp", "w", stdout); #endif int T; cin>>T; while(T--) { int n,mx, mi, av; scan_d(n); scan_d(mx); scan_d(mi); scan_d(av); bool fail = false; if(mx < mi) fail=true; else { if(n==1){ if(mx!=mi || mx != av)fail=true; } else { int tt = av * n - mx - mi; if(tt>=mi*(n-2)&&tt<=mx *(n-2)){ } else fail=true; } } if(fail)printf("no\n"); else printf("yes\n"); } return 0; }