3.2

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#include<iostream>#include<string>using namespace std;int main(){string s;while (getline(cin, s))cout << s << endl;return 0;}


#include<iostream>#include<string>using namespace std;int main(){for (string s; getline(cin, s); cout << s << endl);return 0;}

#include<iostream>#include<string>using namespace std;int main(){string s;while (cin >> s){cout << s << endl;}return 0;}

#include<iostream>#include<string>using namespace std;int main(){for (string s; cin >> s; cout << s << endl);return 0;}


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