var a:string;
b:integer;
begin
readln(a);
if a='true' then
b:=4
else
if a='false' then
b:=-4;
writeln(b);
end.
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Answers & Comments
var a:string;
b:integer;
begin
readln(a);
if a='true' then
b:=4
else
if a='false' then
b:=-4;
writeln(b);
end.