Time limit exceeded

Describe your bug

/* package codechef; // don’t place package name! */

import java.util.;
import java.lang.
;
import java.util.jar.JarOutputStream;

/* Name of the class has to be “Main” only if the class is public. */
class Codechef {
public static void main(String[] args) throws java.lang.Exception {
// your code goes here
Scanner sc = new Scanner(System.in);
int t = sc.nextInt();
while (t-- > 0) {
int a = sc.nextInt();
int b = sc.nextInt();
int sum = b * (b + 1) / 2;

        if (a >= sum) System.out.println("YES");
        else System.out.println("NO");
    }
}

}

Screenshot

Additional info