case 'A':
{
	do
	{
	cout<<"\nPlease enter the amount of money you would like to deposit in increments of 5.\n";
	cout<<"Amount: ";
	cin >>depositAmount;

	fiveDenominationTest = depositAmount % 5;

	if(fiveDenominationTest == 0)
	{
		if(depositAmount>100)
		{
		     cout<<"\nNice try with the fake bills, I know your not THAT rich!\n";
		}
		else if (depositAmount <= 100)
		{
		     playerMoney = playerMoney + depositAmount;
		     cout<<"\nYou have deposited $"<<depositAmount<<".";
		     cout<<"\nYour new total is: $"<<playerMoney<<".";
		     loopControl2 = 1;
		}
		else
		{
		     cout<<"\nThat is not a valid selection.\n";
		}
					
	}

	else
	{
	     cout<<"\nThat is not an increment of 5!\n";
	}
	}while(loopControl2 != 1);
			   break;
}

#include <iostream>#include <string>#include <limits>using namespace std;int main( int argc, char* argv[] ) {    int number;    bool done = false;    while(!done) {        cout << "Enter a number: ";        cin >> number;        if( cin.fail() ) {            cout << "Invalid input" << endl;            cin.clear();            cin.ignore( numeric_limits<streamsize>::max(), '\n' );            continue;        }        if( !(number % 5) ) {            cout << "Number is a multiple of five." << endl;        } else {            cout << "Number is not a multiple of five." << endl;        }    }    return 0;}