Code

#include <iostream>
#include <cstdio>

using namespace std;

int main() {
    float f;
    double d;

    cin >> f >> d;
    cout << f << "\n" << d << "\n";

    scanf("%f %lf", &f, &d);
    printf("%f\n%lf\n", f, d);

    return 0;
}

Input

19856.992 5279235.721231465
19856.992 5279235.721231465

Output

19857
5.27924e+06
19856.992188
5279235.721231