1 #include
2 #include <string>
3 #include
4 using namespace std;
5 int s2n(string s){
6 int res=0;
7 for(int i=0;i){
8 res = 10*res + s[i]-'0';
9 }
10 return res;
11 }
12 int main(){
13 string s;
14 int n;
15 scanf("%d",&n);
16 for(int i=0;i){
17 cin>>s;
18 int pos=s.length()/2;
19 string s1,s2;
20 int n1,n2;
21 s1=s.substr(0,pos);
22 s2=s.substr(pos,s.length()-pos);
23 n1=s2n(s1);
24 n2=s2n(s2);
25 if((n1==0 || n2==0) || s2n(s)%(n1*n2)!=0)printf("No\n");
26 else printf("Yes\n");
27 }
28 }