CodingBat splitOdd10 Solution

public boolean splitOdd10(int[] nums) {
  return helper(0,nums,0,0);
}
public boolean helper(int start,int[] nums,int s1,int s2){
if(start>=nums.length) return (s1%10==0&&s2%2==1);
return helper(start+1,nums,s1+nums[start],s2)||helper(start+1,nums,s1,s2+nums[start]);
}