var
a,b,c,day:integer;
begin
Write('Enter day:');Readln(a);
Write('Enter mounth:');Readln(b);
Write('Enter year (20xx):');Readln(c);
if (b=4) or (b=6) or (b=9) or (b=11) then day:=30-a;
day:=31-a;
if b=2 then if (c mod 4)=0 then day:=29-a else day:=28-a;
for a:=b to 11 do
begin
if (a=4) or (a=6) or (a=9) or (a=11) then day:=day+30 else day:=day+31;
if a=2 then if (c mod 4)=0 then day:=day-2 else day:=day-3;
Writeln(day);
end;
Writeln;
Writeln;
Writeln('Lost day:',day);
Readln;
end.