using System; class c1509 { public static int Main() { double x; double term=1.0; int nterms=0; double etox=1.0; double tolerance = 1.0E-15; string line; Console.WriteLine(" Type in a number"); line=Console.ReadLine(); x=double.Parse(line); do { nterms=nterms+1; term=(x/nterms)*term; etox=etox+term; } while (Math.Abs(term) > tolerance); Console.WriteLine(etox); Console.WriteLine(Math.Exp(x)); return(0); } }