import java.util.*;
import java.io;*
public class Arrays {
public int[] RevFill(int n) {
int[] r = new int[n];
int i = 0;
for (;n>0;n--){
r[i] = n;
i++;}
return r;
}
public int[] MakeRandom(int size, int min, int max) {
int[] r = new int[size];
Random rand = new Random()
int i = 0;
for (;i<size;i++)
r[i] = r.nextInt(max-min) + min;
return r;
}
public int sum13(int[] nums) {
int r = 0;
int i = 0;
for (;i<nums.length;i++) {
if (i > 0) {
if (nums[i] != 13 && nums[i-1] != 13)
r = r + nums[i];}
else if (nums[i] != 13)
r = r + nums[i];}
return r;
}
public boolean modThree(int[] nums) {
if (nums.length == 0)
return false;
int i = 1;
int n = 1;
int a;
if (nums[0]%2 == 0)
a = 1;
else
a = -1;
for(;i<nums.length;i++) {
if (nums[i]%2 == 0) {
if (a == 1)
n++;
else if (a == -1) {
a = 1;
n = 1;}
}
else if (nums[i]%2 != 0) {
if (a == -1)
n++;
else if (a == 1) {
a = -1;
n = 1;}
}
if (n==3)
return true;
}
return false;
}
}