题解

#include<iostream>
using namespace std;
int main(){
    int t;
    cin>>t;
    for(int i=1;i<=t;i++){
        int n,sum=0;
        cin>>n;
        while(n!=0){
            sum+=n%10;
            n/=10;
        }
        if(sum%2==0){
            cout<<"NO"<<"\n";
        }else{
            cout<<"YES"<<"\n";
        }
    }
    return 0;
}