#include<stdio.h>
#include<string.h>
FILE *f=fopen("cifra.in","r"),
     *g=fopen("cifra.out","w");
int c[101]={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},sum,n,i,t,j;
char s[103];
int main()
{ fscanf(f,"%d",&t);
  for(i=1;i<=t;++i){ fscanf(f,"%s",&s);
		     n=s[strlen(s)-1]-'0';
		     if(strlen(s)>1) n+=(s[strlen(s)-2]-'0')*10;
		     fprintf(g,"%d\n",c[n]);
		   }
  fclose(f);
  fclose(g);
  return 0;
}