#include <iostream>                               // C++ I/O support
using namespace std;                            // I/O is from the std namespace
 
int main ()                                                // C++ program entry point      
{
 
    int i;                                                 // A temporary variable
 
    cout << "Enter the data: ";          // prompt for a number to the console
 
    cin >> i;                                       // read in a number
 
    cout  << i << endl;                     // write out the number entered
 
    return 0;                                      // main function return
}
 
 

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30