using System;
using System.Data;
using System.Text.RegularExpressions;
class Class1{
static void Main(string[] args){
Console.WriteLine(RoundDown(.4));
Console.WriteLine(RoundDown(.5));
Console.WriteLine(RoundDown(.6));
Console.WriteLine(RoundDown(1.4));
Console.WriteLine(RoundDown(1.5));
Console.WriteLine(RoundDown(1.6));
Console.WriteLine(RoundDown(2.4));
Console.WriteLine(RoundDown(2.5));
Console.WriteLine(RoundDown(2.6));
Console.WriteLine(RoundDown(3.4));
Console.WriteLine(RoundDown(3.5));
Console.WriteLine(RoundDown(3.6));
}
public static double RoundDown(double valueToRound)
{
double floorValue = Math.Floor(valueToRound);
if ((valueToRound - floorValue) > .5)
{
return (floorValue + 1);
}
else
{
return (floorValue);
}
}
}
| 
