P15641 [CodeChef] TABLETS
普及-
题目描述

The doctor prescribed Chef to take a multivitamin tablet 3 times a day for the next X days.

Chef already has Y multivitamin tablets.

Determine if Chef has enough tablets for these X days or not.

------ Input Format ------

  • The first line contains a single integer T — the number of test cases. Then the test cases follow.
  • The first and only line of each test case contains two space-separated integers X and Y — the number of days Chef needs to take tablets and the number of tablets Chef already has.

------ Output Format ------

For each test case, output YES if Chef has enough tablets for these X days. Otherwise, output NO.

You may print each character of YES and NO in uppercase or lowercase (for example, yes, yEs, Yes will be considered identical).

------ Constraints ------

$1 ≤ T ≤ 2000$
$1 ≤X ≤100$
$0 ≤Y ≤1000$

----- Sample Input 1 ------
4
1 10
12 0
10 29
10 30

----- Sample Output 1 ------
YES
NO
NO
YES

----- explanation 1 ------
Test Case 1: Chef has $10$ tablets and Chef needs $3$ tablets for $1$ day. Therefore Chef has enough tablets.

Test Case 2: Chef has $0$ tablets and Chef needs $36$ tablets for $12$ days. Therefore Chef does not have enough tablets.

Test Case 3: Chef has $29$ tablets and Chef needs $30$ tablets for $10$ days. Therefore Chef does not have enough tablets.

Test Case 4: Chef has $30$ tablets and Chef needs $30$ tablets for $10$ days. Therefore Chef has enough tablets.

输入格式

见题面

输出格式

见题面

样例输入
4 1 10 12 0 10 29 10 30
样例输出
YES NO NO YES