Digit palindrome

#include<bits/stdc++.h>
using namespace std;
#define op ios::sync_with_stdio(0);cin.tie(0);cout.tie(0)
int main()
{
    op;
    int t;
    cin>>t;
    while(t--){
        string ss;
        cin>>ss;
        int s=0;
        for(auto u : ss)
           s+=(u-'0');
        string p =to_string(s);
        string tm =p;
        reverse(tm.begin(),tm.end());
        cout<<(tm== p ? "YES" : "NO")<<"\n";

}
}