C program print total number of Days in a Month using switch case

#include<stdio.h>
int main()
{
	int month;

	printf("Enter number 1-12: ");
	scanf("%d",&month);

	switch(month)
	{
		case 1: printf("31 Days");
				break;

		case 2: printf("28 or 29 Days");
				break;

		case 3: printf("31 Days");
				break;

		case 4: printf("30 Days");
				break;

		case 5: printf("31 Days");
				break;

		case 6: printf("30 Days");
				break;

		case 7: printf("31 Days");
				break;

		case 8: printf("31 Days");
				break;

		case 9: printf("30 Days");
				break;

		case 10: printf("31 Days");
				break;

		case 11: printf("30 Days");
				break;

		case 12: printf("31days");
				 break;

		default: printf("Invalid input! Please enter month number between 1-12");
		
	}

	return 0;	
}

Output

Enter number 1-12: 3
31 Days