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#include <iostream>
#include <string>
using namespace std;
int main()
{
string str;
cout << "Pls input a string: ";
cin >> str;
cout << "You entered: " << str << endl;
return 0;
}
#include <string>
using std::string;
#include <string>
using namespace std;
#include<string>
using namespace std;
string s1;