#include <iostream>
using namespace std;
int main()
{
	signed char sc;
	unsigned int ui;
	float f;
	double d;

    cout << "sizeof(signed char) = " << sizeof(sc) << endl;
    cout << "sizeof(unsigned int) = " << sizeof(ui) << endl;
    cout << "sizeof(float) = " << sizeof(f) << endl;
    cout << "sizeof(double) = " << sizeof(d) << endl;
    return 0;
}