Formatierung von code-Blöcken

Program Lesson1_Program3; Var Num1, Num2, Sum : Integer; Begin {no semicolon} Write('Input number 1:'); Readln(Num1); Writeln('Input number 2:'); Readln(Num2); Sum := Num1 + Num2; {addition} Writeln(Sum); Readln; End.