#include <stdio.h>
#include <string.h>
#include <stdlib.h>

int
main(int argc, char *argv[])
{
	char b[10];
	int len = atoi(argv[1]);
	(void)memcpy(b, "1020202020202", len);

	(void)printf("%*.*s\n", len, len, b);
	return 0;
}