#include <stdio.h>
#include <math.h>
//#define max(a,b) a < b ? b : a

void printArray(int *array, int size)
{
	int j = 0;
	for (j = 0; j < size; j++) printf("%d ", array[j]);
	printf("\n");
}

int main()
{
FILE *fasterix;
	fasterix = fopen("asterix.input", "r");

	if (fasterix == NULL) {
		printf("Can't read asterix.input\n");
		return 1;
	}

	int c, i, size;
	int j = 0;
	while (!feof(fasterix)) {
	fscanf(fasterix, "%d", &size);
	if (size != 0) {	
	int array[size];
			for (i = 0; i < size; i++) {
				fscanf(fasterix, "%d", &array[i]);
			}
			array[size] = '\0';
			printf("%d\n", size);
			printArray(array, size);			
		}
	}
	fclose(fasterix);
	return 0;
}