I need help in Problem I encountered today.

Input

You are given 4 numbers = A,B,C,D

1 <= A,C <= 10**7

1 <= B,D <= 10**12

Output

Output 'YES' if (A**B) > (C**D)

else

Output 'NO'

As I have very less experience in CP.

Please explain me this problem.

ThankYou