var a:array[1..6]of string; s,ss,t:string; x:char; n,i,j,b:longint;begin while x<>'.' do begin read(x); s:=s+x; end; for i:=1 to 6 do begin b:=pos(' ',s); ss:=copy(s,1,b-1); if (ss='zero')then a[i]:='00'; if (ss='one')or(ss='a')or(ss='another')or(ss='first') then a[i]:='01'; if (ss='two')or(ss='both')or(ss='second') then a[i]:='04'; if (ss='three')or(ss='third') then a[i]:='09'; if (ss='four') then a[i]:='16'; if ss='five' then a[i]:='25'; if ss='six' then a[i]:='36'; if ss='seven' then a[i]:='49'; if ss='eight' then a[i]:='64'; if ss='nine' then a[i]:='81'; if ss='ten' then a[i]:='00'; if ss='eleven' then a[i]:='21'; if ss='twelve' then a[i]:='44'; if ss='thirteen' then a[i]:='69'; if ss='fourteen' then a[i]:='96'; if ss='fifteen' then a[i]:='65'; if ss='sixteen' then a[i]:='56'; if ss='seventeen' then a[i]:='89'; if ss='eighteen' then a[i]:='24'; if ss='nineteen' then a[i]:='61'; if ss='twenty' then a[i]:='00'; delete(s,1,b); end; for i:=1 to 5 do for j:=i+1 to 6 do if a[i]>a[j] then begin t:=a[i]; a[i]:=a[j]; a[j]:=t; end; s:=''; for i:=1 to 6 do s:=s+a[i]; i:=1; if s='' then write(0); while (s[i]='0')and(i<length(s)) do inc(i); for j:=i to length(s) do write(s[j]);end.
