public class Prog27 {
      static int op;
      public static void abc(int[] n) {
            int i, max = 0,
temp = 0;
            for (i = 0; i <
n.length - 1; i++) {
                  if (n[i] > n[i
+ 1] && n[i] - n[i + 1] > max) {
                        max
= n[i] - n[i + 1];
                        temp
= i;
                  }
else if (n[i + 1] >
n[i] && n[i + 1] - n[i] > max) {
                        max
= n[i + 1] - n[i];
                        temp
= i + 1;
                  }
            }
            op = temp;
      }
      public static void main(String[]
args) {
            int n[] = { 4, 8,
9, 1, 8, 4 };
            abc(n);
            System.out.println(op);
      }
}