var
a, b,x:longint;
function reverse(x:longint):longint;
var
temp, ret:longint;
begin
temp := x;
ret := 0;
while (temp > 0) do begin
ret := (ret * 10) + (temp mod 10);
temp := temp div 10;
end;
reverse := ret;
end;
begin
readln(x);
writeln(a + b);
end.
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