#include <iostream>
using namespace std;
int main() {
int t;
cin>> t;
while(t--){
int n;
cin>> n;
int last = n%10;
int first = 0;
if(n<9){
while(n>9){
n = n/10;
first = n%10;
}
cout<<(first+last)<<endl;
}else{
cout<<(n+last)<<endl;
}
}
return 0;
}
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