parDom

#include <iostream>

using namespace std;

int cos(int dl, int sz=200, int wys=100);

int main(){
    cout<<cos(10)<<endl;
    cout<<cos(10,20,30)<<endl;
    cout<<cos(10,20)<<endl;
    cout<<cos(10)<<endl;
    system("pause");
    return 0;
}
int cos(int dl, int sz, int wys){
    return dl*sz*wys;
}