#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
vector<char> ar;
void Init() {
    return;
}
void TypeLetter(char L) {
    ar.push_back(L);
}
void UndoCommands(int U) {
    return;
}
char GetLetter(int P) {
    if(P > ar.size() - 1){
        return ' ';
    }
    return ar[P];
}
| # | Verdict  | Execution time | Memory | Grader output | 
|---|
| Fetching results... | 
| # | Verdict  | Execution time | Memory | Grader output | 
|---|
| Fetching results... | 
| # | Verdict  | Execution time | Memory | Grader output | 
|---|
| Fetching results... | 
| # | Verdict  | Execution time | Memory | Grader output | 
|---|
| Fetching results... | 
| # | Verdict  | Execution time | Memory | Grader output | 
|---|
| Fetching results... |