Logic Apps expression for converting SAP datetime format into YYYY-MM-DD

SapDateTime.cs

using System;
using System.Linq;

namespace PasswordAttack
{
    static class Program
    {
        const string EXPRESSION = "replace(concat(take(items('For_each')?['DATAB'],4),'-',take(skip(items('For_each')?['DATAB'],4),2),'-',take(skip(items('For_each')?['DATAB'],6),2)),'0000-00-00','1753-01-01')";

        static void Main(string[] args) =>
            args
                .Select(x => EXPRESSION.Replace("DATAB", x))
                .Select(x => "@{" + x + "}")
                .ToList()
                .ForEach(Console.WriteLine);
    }
}