begin
   real AUTOCORRELATIONCOEFFICIENTNUMBER1;
   AUTOCORRELATIONCOEFFICIENTNUMBER1 ≔ 0·0;
   begin
      real AUTOCORRELATIONCOEFFICIENTNUMBER2;
      AUTOCORRELATIONCOEFFICIENTNUMBER2 ≔ 1·0;
      OUTREAL(99, AUTOCORRELATIONCOEFFICIENTNUMBER1 +
        AUTOCORRELATIONCOEFFICIENTNUMBER2 )
   end
end