#include<fstream>
using namespace std;
ifstream in("cifra.in");
ofstream out("cifra.out");


inline int int_to_char(char e)
{
	return (int)e-48;
}
int main()
{
	int i,t,x,p;
	char s[200];
	int v[100]={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};
	in>>t;
	in.get();
	for(i=1;i<=t;i++)
	{
		in.get(s,19);
		in.get();
		p=strlen(s)-1;
		x=int_to_char(s[p]);
		if(!p)
		{
		out<<v[x]<<'\n';
		continue;
		}
		
		p--;
		if(p)
		x+=int_to_char(s[p])*10;
		out<<v[x]<<'\n';
	}
	return 0;
}