#include<stdio.h>
#include<string.h>
FILE*A,*B;
int N,c,aux,i,v[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}; 
char car[200];
int main()
{
	A=fopen("cifra.in","r");
	B=fopen("cifra.out","w");
	fscanf(A,"%d\n",&N);
	for(i=1;i<=N;i++)
	{
		fscanf(A,"%s",&car);
		c=strlen(car);
		if(c<2)aux=int(car[0]-'0');
		else
			aux=(10*int(car[c-2]-'0'))+int(car[c-1]-'0');
		fprintf(B,"%d\n",v[aux]);
	}
	fclose(A);fclose(B);
}