0_0_38374268_21892.cpp: In function 'int main()':
0_0_38374268_21892.cpp:13:2: error: 'cin' was not declared in this scope
cin >> n;
^
0_0_38374268_21892.cpp:18:4: error: 'cout' was not declared in this scope
cout << "YES" << endl;
^
0_0_38374268_21892.cpp:18:21: error: 'endl' was not declared in this scope
cout << "YES" << endl;
^
0_0_38374268_21892.cpp:20:4: error: 'cout' was not declared in this scope
cout << "NO" << endl;
^
0_0_38374268_21892.cpp:20:20: error: 'endl' was not declared in this scope
cout << "NO" << endl;
^
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