Submission #2532483

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Source Code Expand

#include <algorithm>
#include <cstring>
#include <deque>
#include <functional>
#include <iostream>
#include <map>
#include <numeric>
#include <queue>
#include <set>
#include <vector>
using namespace std;
using ll = long long;

int main() {
  const string T = "AKIHABARA";
  string S;
  while (cin >> S) {
    int N = S.size(), M = T.size();
    int i = 0, j = 0;
    for (;;) {
      if (i < N && j < M && S[i] == T[j]) {
        ++i;
        ++j;
      } else if (j < M && T[j] == 'A') {
        ++j;
      } else {
        break;
      }
    }
    bool res = i == S.size() && j == T.size();
    cout << (res ? "YES" : "NO") << endl;
  }
  return 0;
}

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