#include <stdio.h>      
#include <string.h>      
FILE *f;
FILE *g;     
int main(){     
     int sir[102] = {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};    
     int n,t,i;      
     char s[102];       
  f = fopen("cifra.in","r");      
  g = fopen("cifra.out","w");    
     
       
  fscanf(f,"%d",&t);    
       
  for (i=1;i<=t;i++) {      
    fscanf(f,"%s",&s);      
    if (strlen(s)>=2)      
    n = (s[strlen(s)-2]-48)*10+s[strlen(s)-1]-48;      
    else      
    n = s[strlen(s)-1]-48;      
     
    fprintf(g,"%d\n",sir[n]);      
  }      
  fclose(f);      
  fclose(g);      
     
      
}