Update TwoSum.java

Submission Result: Compile Error

Line 56: operator > cannot be applied to java.util.ArrayList<java.lang.Integer>,java.util.ArrayList<java.lang.Integer>

Submission Result: Wrong Answer

Input:	[2,1,9,4,4,56,90,3], 8 L 54
Output:	5, 0
Expected:	4, 5