Driver code
int main ( ) { string number = "83959092724" ; if ( checkDivisibility ( number ) ) cout << number << " ▁ is ▁ divisible ▁ by ▁ 13 . " ; else cout << number << " ▁ is ▁ not ▁ divisible ▁ by ▁ 13 . " ; return 0 ; }