#include <iostream>
using namespace std;

int main() {
	double d_15 = 15;
	int i_15 = 15;
	float f_15 = 15;
	double d_2 = 2;
	int i_2 = 2;
	float f_2 = 2;
	
	cout << "Double/Double: " << d_15 / d_2 << endl;
	cout << "Double/Integer: " << d_15 / i_2 << endl;
	cout << "Double/Float: " << d_15 / f_2 << endl;
	cout << "Float/Double: " << f_15 / d_2 << endl;
	cout << "Float/Integer: " << f_15 / i_2 << endl;
	cout << "Float/Float: " << f_15 / f_2 << endl;
	cout << "Integer/Double: " << i_15 / d_2 << endl;
	cout << "Integer/Integer: " << i_15 / i_2 << endl;
	cout << "Integer/Float: " << i_15 / f_2 << endl;
	return 0;
}