#include<fstream.h>
char a[102];
long l=1;
#define a (a+1)
int mod(char A[], int B)
{
      int i, t = 0;
      for (i = 0; i < l; i++)
              t = (t * 10 + (int)A[i]-'0') % B;
      return t;
}

int v[101]={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};
int main()
{
	long long i, n, k, t, aux;
	ifstream f("cifra.in");
	ofstream g("cifra.out");
	f>>t;
	f.get();
	for(i=1; i<=t; ++i)
	{
		f.getline(a, 101);
		a[-1]='0';
		l=strlen(a);
		if((aux=mod(a, 100))!=0)
			g<<v[aux-1]<<'\n';
		else
			g<<v[99]<<'\n';
	}
	g.close();
	return 0;
}