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@@ -0,0 +1,23 @@
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+#include <bits/stdc++.h>
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+using namespace std;
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+int main() {
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+ ios::sync_with_stdio(false);
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+ int n, q;
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+ cin >> n >> q;
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+ vector<queue<int>> S(n);
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+ while (q--) {
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+ int op, t;
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+ cin >> op >> t;
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+ if (op == 0) {
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+ int x;
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+ cin >> x;
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+ S[t].push(x);
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+ } else if (op == 1) {
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+ if (S[t].size()) cout << S[t].front() << endl;
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+ } else if (op == 2) {
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+ if (S[t].size()) S[t].pop();
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+ }
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+ }
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+
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+ return 0;
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+}
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