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#include <bits/stdc++.h>
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using namespace std;
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string s;
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int main() {
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cin >> s;
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for (int i = 0; i < s.size(); i++)
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if (s[i] >= 'A' && s[i] <= 'Z') s[i] += 32;
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int cnt = 0;
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for (int i = 0; i < s.size(); i++)
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if (s.substr(i, 4) == "lqbs") cnt++;
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cout << cnt << endl;
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return 0;
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} |
