#include <stdio.h>
int cal_sum(int n){
int sum=0;
while (n>9){
sum+=n%10;
n=n/10;
}
sum+=n;
return sum;
}
int main(){
int n,num;
if (scanf("%d",&n)!=EOF){
for (int i=0;i<n;i++){
if (scanf("%d",&num)!=EOF){
int init_num = cal_sum(num);
int result=1;
for (int j=2;j<=9;j++){
if (init_num!=cal_sum(num*j)){result=0;}
}
if (result){printf("%d\n",init_num);}
else{printf("NO\n");}
}
}
}
return 0;
}
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