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Math functions

Massive Numbers

The number is called massive if it is represented in the form a^n, which means a raised in power n. You need to compare two massive numbers ab and cd, written in the form "base^exponent".

Given two massive numbers, print the biggest one.


Two massive numbers a and b in the form "base^exponent" (1base, exponent1000). It is known that the values of a and b are different.


Print the biggest number among a and b.

Time limit 1 second
Memory limit 128 MiB
Input example #1
3^100 2^150
Output example #1
Input example #2
1^1000 2^1
Output example #2