#include<stdio.h>
#include<string.h>
int main()
{int 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};
int p,t,i,k,m,c;
char n[101];
FILE *f=fopen("cifra.in","r");
FILE *g=fopen("cifra.out","w");
fscanf(f,"%ld",&t);
for (k=1;k<=t;k++)
	{ fscanf(f,"%s\n",n);
	p=strlen(n);
	if (p>1&&(int)n[p-2]-'0'!=0) {m=((int)n[p-2]-'0')*10+((int)n[p-1]-'0');
			fprintf(g,"%d",v[m]);    }
	else{c=(int)n[p-1]-'0'; fprintf(g,"%d",v[c]);  }
	fprintf(g,"\n");
	}
fclose(f);
fclose(g);
return 0;}