Program P67;
 { Tabelul funcţiei z=x+y }
var x, y, z,
    x1, x2, deltaX,
    y1, y2, deltaY : real;
begin
 write('x1='); readln(x1);
 write('x2='); readln(x2);
 write('deltaX='); readln(deltaX);
 write('y1='); readln(y1);
 write('y2='); readln(y2);
 write('deltaY='); readln(deltaY);
 writeln('x':10, 'y':20, 'z':20);
 writeln;
 x:=x1;
 while x<=x2 do
  begin
     y:=y1;
     while y<=y2 do
        begin
           z:=x+y;
           writeln(x:20, y:20, z:20);
           y:=y+deltaY;
        end;
     x:=x+deltaX;
  end;
 readln;
end.