#include <iostream>
using namespace std;

float suma(float a, float b, float c)
{
	return a + b + c;
}
int main()
{
	float a, b, c;
	cout << "Podaj trzy liczby do zsumowania" << endl;
	cin >> a;
	cin >> b;
	cin >> c;
	cout << suma(a, b, c);
	system("PAUSE");
	return 0;
}