#include<stdio.h>
int main()
{
    int num;
    scanf("%d",&num);
    if(num>=1&&num<=3)
    {
        printf("1\n1");
    }
    else if(num>=4&&num<=6)
    {
        printf("2\n1");
    }
    else if(num>=7&&num<=9)
    {
        printf("3\n2\n1");
    }
    else if(num==10) 
    {
        printf("5\n3\n2\n1");
    }
    else
    {
        print("Invalid input");
    }
}