import java.util.Arrays;
public class Main {
public static void main(String[] args){
int[] arr = {12, 10, 52, 57, 14, 91, 34, 100, 245, 78, 91, 32, 354, 80, 13, 67, 65};
System.out.println(Arrays.toString(arr));
solve(arr);
System.out.println(Arrays.toString(arr));
}
private static void solve(int[] arr){
for(int i=arr.length-1,ptr = i;i>=0;--i){
if((arr[i] & 1) == 1){
swap(arr,i,ptr--);
}
}
}
private static void swap(int[] arr,int x,int y){
int temp = arr[x];
arr[x] = arr[y];
arr[y] = temp;
}
}