if (c % 4 == 0 && c % 100 != 0 || c % 400 == 0)
	{
		if (b == 1 || b == 3 || b == 5 || b == 7 || b == 8 || b == 10 )
		{
			switch (a)
			{
			case 1:
			case 2:
			case 3:
			case 4:
			case 5:
			case 6:
			case 7:
			case 8:
			case 9:
			case 10:
			case 11:
			case 12:
			case 13:
			case 14:
			case 15:
			case 16:
			case 17:
			case 18:
			case 19:
			case 20:
			case 21:
			case 22:
			case 23:
			case 24:
			case 25:
			case 26:
			case 27:
			case 28:
			case 29:
			case 30:printf("Ngay mai la ngay :%d/%d/%d", a + 1, b, c); break;
			case 31:printf("Ngay mai la ngay :%d/%d/%d", 1, b + 1, c); break;
			default:printf("Vui long nhap lai ngay,thang,nam");
			}
		}
		if (b == 12)
		{
			switch (a)
			{
			case 1:
			case 2:
			case 3:
			case 4:
			case 5:
			case 6:
			case 7:
			case 8:
			case 9:
			case 10:
			case 11:
			case 12:
			case 13:
			case 14:
			case 15:
			case 16:
			case 17:
			case 18:
			case 19:
			case 20:
			case 21:
			case 22:
			case 23:
			case 24:
			case 25:
			case 26:
			case 27:
			case 28:
			case 29:
			case 30:printf("Ngay mai la ngay :%d/%d/%d", a + 1, b, c); break;
			case 31:printf("Ngay mai la ngay :%d/%d/%d", 1, 1, c+1); break;
			default:printf("Vui long nhap lai ngay,thang,nam");
			}
		}
		if (b == 4 || b == 6 || b == 9 || b == 11)
		{
			switch (a)
			{
			case 1:
			case 2:
			case 3:
			case 4:
			case 5:
			case 6:
			case 7:
			case 8:
			case 9:
			case 10:
			case 11:
			case 12:
			case 13:
			case 14:
			case 15:
			case 16:
			case 17:
			case 18:
			case 19:
			case 20:
			case 21:
			case 22:
			case 23:
			case 24:
			case 25:
			case 26:
			case 27:
			case 28:
			case 29:printf("Ngay mai la ngay :%d/%d/%d", a + 1, b, c); break;
			case 30:printf("Ngay mai la ngay :%d/%d/%d", 1, b+1, c); break;
			default:printf("Vui long nhap lai ngay,thang,nam");
			}
		}
		if (b == 2)
		{
			switch (a)
			{
			case 1:
			case 2:
			case 3:
			case 4:
			case 5:
			case 6:
			case 7:
			case 8:
			case 9:
			case 10:
			case 11:
			case 12:
			case 13:
			case 14:
			case 15:
			case 16:
			case 17:
			case 18:
			case 19:
			case 20:
			case 21:
			case 22:
			case 23:
			case 24:
			case 25:
			case 26:
			case 27:
			case 28:printf("Ngay mai la ngay :%d/%d/%d", a + 1, b, c); break;
			case 29:printf("Ngay mai la ngay :%d/%d/%d", 1, b + 1, c); break;
			default:printf("Vui long nhap lai ngay,thang,nam");
			}
		}
	}
	else
	{
		if (b == 1 || b == 3 || b == 5 || b == 7 || b == 8 || b == 10 )
		{
			switch (a)
			{
			case 1:
			case 2:
			case 3:
			case 4:
			case 5:
			case 6:
			case 7:
			case 8:
			case 9:
			case 10:
			case 11:
			case 12:
			case 13:
			case 14:
			case 15:
			case 16:
			case 17:
			case 18:
			case 19:
			case 20:
			case 21:
			case 22:
			case 23:
			case 24:
			case 25:
			case 26:
			case 27:
			case 28:
			case 29:
			case 30:printf("Ngay mai la ngay :%d/%d/%d", a + 1, b, c); break;
			case 31:printf("Ngay mai la ngay :%d/%d/%d", 1, b + 1, c); break;
			default:printf("Vui long nhap lai ngay,thang,nam");
			}
		}
		if (b == 12)
		{
			switch (a)
			{
			case 1:
			case 2:
			case 3:
			case 4:
			case 5:
			case 6:
			case 7:
			case 8:
			case 9:
			case 10:
			case 11:
			case 12:
			case 13:
			case 14:
			case 15:
			case 16:
			case 17:
			case 18:
			case 19:
			case 20:
			case 21:
			case 22:
			case 23:
			case 24:
			case 25:
			case 26:
			case 27:
			case 28:
			case 29:
			case 30:printf("Ngay mai la ngay :%d/%d/%d", a + 1, b, c); break;
			case 31:printf("Ngay mai la ngay :%d/%d/%d", 1, 1, c + 1); break;
			default:printf("Vui long nhap lai ngay,thang,nam");
			}
		}
		if (b == 4 || b == 6 || b == 9 || b == 11)
		{
			switch (a)
			{
			case 1:
			case 2:
			case 3:
			case 4:
			case 5:
			case 6:
			case 7:
			case 8:
			case 9:
			case 10:
			case 11:
			case 12:
			case 13:
			case 14:
			case 15:
			case 16:
			case 17:
			case 18:
			case 19:
			case 20:
			case 21:
			case 22:
			case 23:
			case 24:
			case 25:
			case 26:
			case 27:
			case 28:
			case 29:printf("Ngay mai la ngay :%d/%d/%d", a + 1, b, c); break;
			case 30:printf("Ngay mai la ngay :%d/%d/%d", 1, b + 1, c); break;
			default:printf("Vui long nhap lai ngay,thang,nam");
			}
		}
		if (b == 2)
		{
			switch (a)
			{
			case 1:
			case 2:
			case 3:
			case 4:
			case 5:
			case 6:
			case 7:
			case 8:
			case 9:
			case 10:
			case 11:
			case 12:
			case 13:
			case 14:
			case 15:
			case 16:
			case 17:
			case 18:
			case 19:
			case 20:
			case 21:
			case 22:
			case 23:
			case 24:
			case 25:
			case 26:
			case 27:printf("Ngay mai la ngay :%d/%d/%d", a + 1, b, c); break;
			case 28:printf("Ngay mai la ngay :%d/%d/%d", 1, b + 1, c); break;
			default:printf("Vui long nhap lai ngay,thang,nam");
			}
		}
	}