class Solution {
public int[] solution(int[] arr) {
int[] answer = new int[arr.length];
for(int i = 0; i < arr.length; i++){
if(arr[i] >= 50 && arr[i] % 2 == 0){
answer[i] = arr[i] / 2;
} else if(arr[i] < 50 && arr[i] % 2 != 0) {
answer[i] = arr[i] * 2;
} else {
answer[i] = arr[i];
}
}
return answer;
}
}