#include <stdio.h>

int main()
{
    int n;

    scanf("%d", &n);

    printf("%d", 3);
    for (int i = 1; i < n - 1; i++) {
        printf(" %d", 1);
    }

    switch(n % 3) {
    case 0:
        printf(" %d\n", 3);
        break;
    case 1:
        printf(" %d\n", 2);
        break;
    case 2:
        printf(" %d\n", 1);
        break;
    }

    return 0;
}