Driver code
public static void Main ( ) { int n = 20 ; Console . WriteLine ( " Count ▁ for ▁ " + n + " ▁ is ▁ " + count ( n ) ) ; n = 13 ; Console . Write ( " Count ▁ for ▁ " + n + " ▁ is ▁ " + count ( n ) ) ; } }