#include <stdio.h>

int main()
{

char menu_choice;
float num1,num2,sum,prod,quo,diff;

printf("Menu:\n");
printf("A -> Add two Numbers\n");
printf("S -> Subtract two Numbers\n");
printf("M -> Multiply two Numbers\n");
printf("D -> Divide two Numbers\n");
printf("E -> Exit\n");

printf("Please select a letter from the menu: ");
menu_choice = getchar();

while(menu_choice != 'e')
{
	if(menu_choice == 'a')
	{
		printf("Please enter first number: ");
		scanf("%f",&num1);
		
		printf("please enter second number: ");
		scanf("%f",&num2);
		
		sum = num1 + num2;
		printf("The sum of the two numbers is: %3.2f\n",sum);
	}
	
	else if(menu_choice == 's')
	{
		printf("Please enter the first number: ");
		scanf("%f",&num1);
		
		printf("Please enter the second number: ");
		scanf("%f",&num2);
		
		diff = num1 - num2;
		
		printf("The difference of the two numbers is: %3.2f\n",diff);
	}
	
	else if(menu_choice == 'm')
	{
		printf("Please enter the first number: ");
		scanf("%f",&num1);
		
		printf("Please enter the second number: ");
		scanf("%f",&num2);
		
		prod = num1 * num2;
		
		printf("The product of the numbers is: %3.2f\n",prod);
	}
	
	else if(menu_choice == 'd')
	{
		printf("Please enter the first number: ");
		scanf("%f",&num1);
		
		printf("Please enter the second number: ");
		scanf("%f",&num2);
		
		if(num2 != 0)
		{
			quo = num1 / num2;
			
			printf("The quotient of the numbers is: %3.2f\n",quo);
		}
		else
		{
			printf("Cannot divide by 0\n");
		}
	}
	
	printf("Please select a letter from the menu: ");
	menu_choice = getchar();
}

printf("Goodbye.\n");

return 0;

}