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