Program Pr; var x,y,z:real; i:integer; Begin y:=-1; x:=-pi; For i:=1 to 7 do begin z:=x*x+y+sin(x); if (x<>0) then x:=x+(pi/6); if i=6 then x:=0; if y<>1 then y:=y+0.4; writeln('z=',z:4:4); end; end.