#include <iostream>
#include <cmath>
using namespace std;
double Otr(double Ax, double Bx, double Ay, double By) {
return sqrt((Bx - Ax)*(Bx - Ax) + (By - Ay)*(By - Ay));
}
int main() {
double Ax, Ay, Bx, By, Cx, Cy, Dx, Dy;
cin >> Ax >> Ay >> Bx >> By >> Cx >> Cy >> Dx >> Dy;
cout << "|AB|=" << Otr(Ax, Bx, Ay, By) << endl;
cout << "|AC|=" << Otr(Ax, Cx, Ay, Cy) << endl;
cout << "|AD|=" << Otr(Ax, Dx, Ay, Dy) << endl;
return 0;
}
Begin
write('S='); readln(s);
write('p='); readln(p);
write('n='); readln(n);
p:=p*0.01;
for i:=1 to n do s:=s+(s*p);
writeln('ответ: ',s);
End.