// adaptado de Barton,Nackman "Scientific and Engineering C++"
//      jtmn, Ago, 2003

#include <iostream>
using namespace std;
int main() {
    // Read and print three floating point numbers
    float a, b, c;
    cin >> a >> b >> c;  
    cout << a << ", " << b << ", " << c << endl;

    return 0;
}