0粉求条

#include<bits/stdc++.h>
using namespace std;
int main(){
	int n;
	cin>>n;
	while(n--){
		int jin;
		string shu;
		cin>>jin>>shu;
		long long a[shu.size()]={0};
		for(int i=0;i<shu.size();i++){
			if(shu[i]>='A'&&shu[i]<='Z')
			a[i]=shu[i]-'A'+10;
			else{
				a[i]=shu[i]-'0';
			}
			
		}
		for(int i=0;i<=shu.size();i++){
			cout<<pow(a[shu.size()-i],i);
		}
		cout<<endl;
	}
}