#include<stdio.h>
#include<stdlib.h>
#include<time.h>
inline int max(int a, int b){ return a>b?a:b; }
main()
{
	char fin[100], fout[100];
	int n, i;
	srand(time(NULL));
	freopen(".5.in","w",stdout);
	scanf("%d", &n);
	printf("%d\n", n);
	for( i = 0 ; i < n ; i++ )
		 printf("%d ", rand()%23+1);
/*	for(int t = 1 ; t <= 5 ; t++ )
	{
		sprintf(fin,".%d.in",t);
		sprintf(fout,".%d.out",t);
		freopen(fin,"r",stdin);
		freopen(fout,"w",stdout);
		int n, m, k, a, b, c, s = 0;
		scanf("%d%d%d", &n,&m,&k);
		for( a = max(n,max(m,k)) ; ; a++ )
		{
		 	 if( a%n == 0 && a%m == 0 && a%k == 0 )
		 	 {
			 	 printf("%d", a);
				 break;
			}
		}
    }*/
}