#include <stdio.h>   
#include <string.h>   
#include <stdlib.h>   
int v[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};   
int main()   
{   
    long int t,i;   
    int j;   
    char n[101],u2c[2];   
    FILE *f,*g;   
    f=fopen("cifra.in","r");   
    g=fopen("cifra.out","w");   
    fscanf(f,"%ld",&t);   
    for(i=0;i<t;i++)   
    {   
        fscanf(f,"%s",&n);   
        u2c[0]=n[strlen(n)-2];   
        u2c[1]=n[strlen(n)-1];   
        j=atoi(u2c);   
        fprintf(g,"%d\n",v[j]);   
    }   
    fclose(f);   
    fclose(g);   
    return 0;   
}