#include <iostream>
#include <math.h>
using namespace std;

int mocnina(int zakl,int exp) {

	long int navrat = zakl;

	while(exp > 1) {
		navrat = navrat * zakl;
		exp--;
	}

	return navrat;
}

float obsah( float a , float b )
{
    float vysledek;
    vysledek = a * b;

    return vysledek;

    //return a * b;
}

float uhlopricka( int sirka, int vyska )
{
    float u;
    u = sqrt( mocnina(sirka, 2) + mocnina(vyska, 2) );
    return u;
}



int main()
{
    int s, v;
    cout << "\n Zadej sirku a vysku\n";
    cin >> s; cin >> v;

    cout << "\n Obsah obdelnika = " << obsah(s,v) << "\n";
    cout << "\n Uhlopricka obdelnika = " << uhlopricka(s,v) << "\n";
}