import java.util.Arrays;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.Scanner;
public class Main {
private static Scanner cin;
private static LinkedList<String> list;
private static int max;
private static int[] condiments = new int[10];
public static void main(String args[]) throws Exception {
cin = new Scanner(System.in);
max = cin.nextInt();
if(max<10 || max>30) {
System.out.println("0");
return;
}
list = new LinkedList<String>();
Arrays.fill(condiments, 0);
for(int i=1;i<=3;i++) {
condiments[0] = i;
calc(i,9);
}
if(list.size()<=0) {
System.out.println("0");
}else {
System.out.println(list.size());
Iterator<String> is = list.iterator();
while(is.hasNext()) {
String value = (String)is.next();
System.out.println(value);
}
}
}
public static void calc(int sum, int n) {
if(n>0) {
for(int i=1;i<=3;i++) {
if(sum+i>max) {
return;
}else if(sum+i==max && n==1){
condiments[9] = i;
list.add(String.format("%d %d %d %d %d %d %d %d %d %d", condiments[0],condiments[1],condiments[2],
condiments[3],condiments[4],condiments[5],condiments[6],condiments[7],condiments[8],condiments[9]));
}else {
condiments[9-n+1] = i;
calc(sum+i,n-1);
}
}
}
}
}