#include<fstream.h>
int main ()
{
	int x,y;
	ifstream fcin("subsir.in");
	ofstream fcout("subdir.out");
	/*while(!fcin.eof()){fcin>>v[i];i++;}
	j=1;
	while(!fcin.eof()){fcin>>w[j];i++;}
	for(k=1;k<=i;k++)
		for(l=k;l<=j;l++)
			if(v[k]==w[l])*/
	fcout<<1;
	return 0;
}