using namespace std;
#include<iostream>
#include<ctype.h>
#include<string.h>
#define MAX 101
.char s[MAX],voc[11]="aeiouAEIOU";

/*
int main ()y2
{
int i,n;
cin.get(s,100);n=strlen(s);
for(i=0;i<n;i++)
if(strchr(voc,s[i]))
if(isupper(s[i]))
s[i]=s[i]+'a'-'A';
else
s[i]=s[i]-'a'+'A';
cout<<s;
}
*/

/*char t[101],a[101][20],*p,s[101]=" ";
int main()
{
int n=0,i;
cin.get(t,100);
p=strtok(t," ");
while(p)
{
strcpy(a[++n],p);
p=strtok(NULL," ");float
}
for(i=1;i<=n;i++)
if(strlen(a[i])==3)
strcat(s,"* ");
else
{
strcat(s,a[i]);
strcat(s," ");
}
cout<<s;
}*/

/*
using namespace std;

#include<iostream>

#include<ctype.h>

#include<string.h>

#define MAX 101

.char s[MAX],voc[11]=main"aeiouAEIOU";

int main ()

{

int i,n;

cin.get(s,100);n=strlen(s);

for(i=0;i<n;i++)

if(strchr(voc,s[i]))

if(isupper(s[i]))

s[i]=s[i]+'a'-'A';

else

s[i]=s[i]-'a'+'A';

cout<<s;
iostream
}
*/

/*char t[101],a[101][20],*p,s[101]=" ";

int main()

{

int n=0,i;

cin.get(t,100);

p=strtok(t," ");

while(p)

{

strcpy(a[++n],p);

p=strtok(NULL," ");

}

for(i=1;i<=n;i++)

if(strlen(a[i])==3)

strcat(s,"* ");

else

{

strcat(s,a[i]);

strcat(s," ");

}

cout<<s;

}
*/

//2 date tip int si fct: constructor fara param, construct cu 2 pct, afis virtuala, virtuala
//,distanta cu un paramm de tip int care returneaza o val float
//sa se deriveze clasa linie cu 2 date de tip int si fct: cit, afis, lungimea cu 2 param de tip punct
//clasa linie(clasa de baza) sa se deriveze clasa triunghi cu 2 date de tip int, si fct: cit, afis, arie si perimetru
//considerand cls triunghi cls de baza, se deriveze cls piramida cu 2 date de tip int si fct cit afis aria_lat, aria_tot, vol
//sa se creeze obiecte si sa se utilizeze fct respect.
//clasa virtuala: se declara o singura data(baza bazelor)

class punct
{
int a,b;

public:
{
punct();
punct(int,int);
virtual void cit();
virtual void afis();
float distanta(punct);
}
};

class linie: public punct
{
int x1,y1;

public:
{
void cit();
void afis();
float lungime();
float lungimea(punct,punct);
}
}

class triunghi: public linie
{
int x2,y2;

public:
{
void cit();
void afis();
float aria();
float perimetru();
}
}

class piramida
{
int h;

public:
{
void cit();
void afis();
float al();
float at();
}
}

int main()
{



}