#include<stdio.h>
#include<stdlib.h>
#include<string.h>

int uc[]={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()
{
	int t;
	char n[201];
	int i,x;
	FILE *f,*g;
	
	f=fopen("cifra.in","r");
	g=fopen("cifra.out","w");
	
	fscanf(f,"%d\n",&t);
	for(i=0;i<t;i++)
	{
		fgets(n,200,f);
		x=n[strlen(n)-2]-'0';
		if(strlen(n)>=3) x+=(n[strlen(n)-3]-'0')*10;
		fprintf(g,"%d\n",uc[x]);
	}
	
	fclose(f);
	fclose(g);
	return 0;
}