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BSD 4.3tahoe

 415145824
 program countcharacters(input,output);
   var ch: char;
     c0,c1,c2,c3,c4: integer;  {counters}
 begin writeln(wallclock); { linelimit(output, -1); }
   c0 := 0; c1 := 0; c2 := 0; c3 := 0; c4 := 0;
   while not eof(input) do
   begin write(' '); c0 := c0+1;
     while not eoln(input) do
     begin read(ch); write(ch);
       if ch = ' ' then c1 := c1+1 else
       if ch in ['a'..'z'] then c2 := c2+1 else
       if ch in ['0'..'9'] then c3 := c3+1 else c4 := c4+1
     end ;
     readln; writeln
   end ;
   writeln(wallclock);
   writeln(c0,' lines');
   writeln(c1,' blanks');
   writeln(c2,' letters');
   writeln(c3,' digits');
   writeln(c4,' special characters');
   writeln(wallclock)
 end .
 415145825
        23 lines
       138 blanks
       355 letters
        38 digits
       128 special characters
 415145825

4134 statements executed in 0.62 seconds cpu time.

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