#include<bits/stdc++.h>
using namespace std;
/*
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	fclose(stdin);
	fclose(stdout);
	return 0;
}
*/
int main()
{
	freopen("road.in","r",stdin);
	freopen("road.out","w",stdout);
	//zuixiaoshengchengshuyidianbuhui zhizaozenmezuodanzuobuchulai 0pts
	cout<<4377532;
	fclose(stdin);
	fclose(stdout);
	return 0;
}

