#include <stdio.h>   
#include <stdlib.h>   
#include <math.h>        
#include<string.h>   
        
  
int full[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};           
char vec[101];        
int a,b,c,i,len;        
int main()        
{        
FILE *f=fopen("cifra.in","rt"),*g=fopen("cifra.out","wt");          
int t;        
fscanf(f,"%d",&t);        
for(i=1;i<=t;i++)        
   {        
   fscanf(f,"%s",vec);        
   len=strlen(vec);        
   a=vec[len-1]-48;   
   b=vec[len-2]-48;        
   if(len>1)        
      c=b*10+a;        
   else c=a;     
      fprintf(g,"%d\n",full[c]);        
   }        
fclose(f);   
fclose(g);        
return 0;   
}