#include<fstream>
#include<cstring>
#define MAXC 101

using namespace std;
ifstream f("cifra.in");
ofstream g("cifra.out");

int T,x,rez[]={0,1,5,2,8,3,9,2,8,7,7,8,4,7,3,8,4,1,5,4,4,5,9,6,2,7,3,6,2,1,1,2,8,1,7,2,8,5,9,8,8,9,3,0,6,1,7,0,6,5,5,6,2,5,1,6,2,9,3,2,2,3,7,4,0,5,1,4,0,9,9,0,6,9,5,0,6,3,7,6,6,7,1,8,4,9,5,8,4,3,3,4,0,3,9,4,0,7,1,0,0};
char ch,s[MAXC];

int main ()
{
	f>>T;
	f.get(ch);
	int len;
	while(T)
		{
			f.getline(s,MAXC);
			len=strlen(s);
			x=0;
			if(len==1)
				x=s[len-1]-'0';
				else
				x=(10*(s[len-2]-'0')+(s[len-1]-'0'));
			g<<rez[x]<<'\n';
			T--;
		}
	f.close();
	g.close();
	return 0;
}