program gg; uses crt; const a=2;
var s1,s2,s3,s4,s5,s:real;
BEGIN
writeln;
readln;
s1:=a*a*a;
s2:=s1*s1;
s3:=s2;
s4:=s1;
s:=a;
; writeln('',s1:7:2);
writeln('',s2:7:2);
writeln('',s3:7:2);
writeln('',s4:7:2);
readln;
END.