Use for loop:
using System;
class ForLoop
{
static void Main()
{
Console.Write("n = ");
int n = int.Parse(Console.ReadLine());
Console.Write("m = ");
int m = int.Parse(Console.ReadLine());
decimal result = 1;
for (int i = 0; i < m; i++)
{
result *= n;
}
Console.WriteLine("n^m = " + result);
}
}
