#include <cstdio>
int main()
int a,b;
{
	freopen("maxd.in","r",stdin);
	freopen("maxd.out","w",stdout);
	scanf("%d %d",a,b);
	/*
xaaaassssssssxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
aaaaaaaaaaaaaaaaa
saddasdsad
*/
	return 0;
}