#include<stdio.h>
FILE*f=fopen("cifra.in","r");
FILE*g=fopen("cifra.out","w");
//#include<iostream.h>
int t,n,i,u,s;
int main ()
{
	//cout<<"t=";cin>>t;
	fscanf(f,"%d",&t);
	for(i=1;i<=t;i++)
		fscanf(f,"%d",&n);
		/*cout<<"n=";cin>>n;
		cout<<endl;;*/
	s=0;
	for(i=1;i<=t;i++)
		s=s+i*i;
	u=s%10;
	for(i=1;i<=t;i++)
		//cout<<u;
		{fprintf(g,"%d ",u);
		fprintf(g,"\n");}
	fclose(f);
	fclose(g);
	return 0;
}