# include <stdio.h>
# include <stdlib.h>
# include <string.h>

const C[100]={
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()
{
   int T,i,L,x;
   char N[101],c;
   FILE *f,*g;
   f=fopen("cifra.in","r");
   g=fopen("cifra.out","w");
   fscanf(f,"%d\n",&T);
   for (i=1;i<=T;i++)
   {
     fgets(N,100,f);
     L=strlen(N)-1;
     if (L>1) {
		x=(int(N[L-2])-48)*10+int(N[L-1])-48;
	      }
	    else x=int(N[0])-48;
     fprintf(g,"%d\n",C[x-1]);
   }
   fclose(f);
   fclose(g);
   return 0;
}