#include <cstdio>
#include <cstdlib>
#include <vector>
using namespace std;

#define FIN  "biconex.in"
#define FOUT "biconex.out"
#define FOK  "biconex.ok"

void error(char msg[], int p)
{
	fprintf(stderr, msg);
	printf("%d", p);
	exit(0);
}

int main(void)
{
    error("OK", 10);

    return 0;
}