var x,y:real;
begin
x:=1;
repeat
y:=sin(x);
if y>0 then writeln('x = ',x,' y = ',y:0:3);
x:=x+1
until x=11;
writeln;
while x<11 do
end
end.
var x,y:real;
begin
x:=1;
repeat
y:=sin(x);
if y>0 then writeln('x = ',x,' y = ',y:0:3);
x:=x+1
until x=11;
writeln;
x:=1;
while x<11 do
begin
y:=sin(x);
if y>0 then writeln('x = ',x,' y = ',y:0:3);
x:=x+1
end
end.