Gift Bag Creation

You are given four integers representing:

• C: the number of candies available,
• D: the number of chocolates available,
• M: the minimum number of candies required for a gift bag,
• N: the minimum number of chocolates required for a gift bag.

You need to determine whether at least one gift bag can be created. A gift bag can be created if and only if the following condition holds:

$$ C \ge M \quad \text{and} \quad D \ge N. $$

Output Yes if a gift bag can be made; otherwise, output No.

inputFormat

The input consists of a single line containing four space-separated integers: C, D, M, and N.

outputFormat

Output a single line containing either 'Yes' if it is possible to create a gift bag, or 'No' otherwise.## sample

10 5 2 3

Yes