TLE ERORR EVEN FOR RYT SOLS

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import java.util.*;

class Codechef {
public static void main(String[] args) throws java.lang.Exception {
Scanner sc = new Scanner(System.in);
int T = sc.nextInt();
while (T-- > 0) {
int N = sc.nextInt();
int K = sc.nextInt();

        int sum = (K * (K + 1)) / 2;
        if (N >= sum) {
            System.out.println("YES");
        } else {
            System.out.println("NO");
        }
    }
}

}