#include <cstdio>
#include <cstdlib>
#include <ctime>
int main()
{
    int n, m;
    srand(time(NULL));
    freopen(".25.in","w",stdout);
    scanf("%d", &n);
    printf("1968");
    for(int i = 4; i < n ; i++ )
        printf("%d", rand()%10);
}