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#include <bits/stdc++.h>
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using namespace std;
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int n;
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queue<int> q;
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int cnt;
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int main() {
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cin >> n;
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for (int i = 1; i <= n; i++) q.push(i);
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while (q.size() > 1) {
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int t = q.front();
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q.pop();
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cnt++;
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if (cnt == 3) cnt = 0;
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else q.push(t);
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}
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cout << q.front();
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return 0;
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} |
