Error: 'There is already an object named '#Result' in the database' in SQL Server

Refer the below query.

DECLARE @SIGN INT
SET @SIGN = 1
DECLARE @INFO AS TABLE(Id INT,FirstName VARCHAR(30), Name VARCHAR(30),Birthday DateTime,Jeans CHAR(6),Profession VARCHAR(15))
  
INSERT INTO @INFO VALUES(1,'Pulodov','Rustam','12.22.2000','male','pupil')
INSERT INTO @INFO VALUES(2,'Asrori','Yatim','02.06.2000','male','pupil')
INSERT INTO @INFO VALUES(3,'Sharipov','Sadriddin','12.08.1997','male','students')
INSERT INTO @INFO VALUES(4,'Soliev','Firuz','06.16.1989','male','worker')
INSERT INTO @INFO VALUES(5,'Malaev','Nurullo','03.18.1989','male','worker')
INSERT INTO @INFO VALUES(6,'Sayfurov','Karomatullo','05.07.1989','male','worker')
INSERT INTO @INFO VALUES(7,'Safarov','Muhiddin','03.18.1997','male','students')
INSERT INTO @INFO VALUES(8,'Safarova','Sabrina','10.18.1989','male','worker')
INSERT INTO @INFO VALUES(9,'Safarova','Munira','12.12.2000','female','pupil')
INSERT INTO @INFO VALUES(10,'Nazarova','Suman','11.11.1989','female','worker')
INSERT INTO @INFO VALUES(11,'Gaforova','Madina','12.12.1997','female','Students')
INSERT INTO @INFO VALUES(12,'Safarova','Munisa','12.12.2001','female','pupil')
INSERT INTO @INFO VALUES(13,'Safarov','Sarabek','12.12.2001','male','pupil')

DECLARE @INFO1 AS TABLE(Id INT,FirstName VARCHAR(30), Name VARCHAR(30),Birthday DateTime,Jeans CHAR(6),Profession VARCHAR(15))
  
INSERT INTO @INFO1 VALUES(1,'Pulodov','Rustam','12.22.2005','male','pupil')
INSERT INTO @INFO1 VALUES(2,'Asrori','Yatim','02.06.2005','male','pupil')
INSERT INTO @INFO1 VALUES(3,'Sharipov','Sadriddin','12.08.2000','male','students')
INSERT INTO @INFO1 VALUES(4,'Soliev','Firuz','06.16.1990','male','worker')
INSERT INTO @INFO1 VALUES(5,'Malaev','Nurullo','03.18.1990','male','worker')
INSERT INTO @INFO1 VALUES(6,'Sayfurov','Karomatullo','05.07.1990','male','worker')
INSERT INTO @INFO1 VALUES(7,'Safarov','Muhiddin','03.18.1998','male','students')
INSERT INTO @INFO1 VALUES(8,'Safarova','Sabrina','10.18.1990','male','worker')
INSERT INTO @INFO1 VALUES(9,'Safarova','Munira','12.12.2001','female','pupil')
INSERT INTO @INFO1 VALUES(10,'Nazarova','Suman','11.11.1990','female','worker')
INSERT INTO @INFO1 VALUES(11,'Gaforova','Madina','12.12.1998','female','Students')
INSERT INTO @INFO1 VALUES(12,'Safarova','Munisa','12.12.2002','female','pupil')
INSERT INTO @INFO1 VALUES(13,'Safarov','Sarabek','12.12.2002','male','pupil')

 IF @SIGN = 1
	BEGIN
	SELECT CONVERT(VARCHAR,CONVERT(INT,DATEDIFF(YEAR,BIRTHDAY,GETDATE()))) AS Years
		  ,COUNT( Id) AS [All]
		  ,COUNT(CASE UPPER(JEANS) WHEN 'MALE' THEN 1 END)Male
		  ,COUNT(CASE UPPER(JEANS) WHEN 'FEMALE' THEN 1 END) Female
		  ,COUNT(CASE UPPER(PROFESSION) WHEN 'PUPIL' THEN 1 END) Pupil
		  ,COUNT(CASE UPPER(PROFESSION) WHEN 'STUDENTS' THEN 1 END) Students
		  ,COUNT(CASE UPPER(PROFESSION) WHEN 'WORKER' THEN 1 END)Worker
	INTO #Result
	FROM @INFO
	GROUP BY CONVERT(INT,DATEDIFF(YEAR,BIRTHDAY,GETDATE()))
	ORDER BY CONVERT(INT,DATEDIFF(YEAR,BIRTHDAY,GETDATE()))
   
	SELECT * FROM #Result
	UNION ALL
	SELECT 'ALL'
		  ,SUM([All])
		  ,SUM(Male)
		  ,SUM(Female)
		  ,SUM(Pupil)
		  ,SUM(Students)
		  ,SUM(Worker)
	FROM #Result
  
	DROP TABLE #Result
	END
ELSE
	BEGIN
	SELECT CONVERT(VARCHAR,CONVERT(INT,DATEDIFF(YEAR,BIRTHDAY,GETDATE()))) AS Years
		  ,COUNT(Id) AS [All]
		  ,COUNT(CASE UPPER(JEANS) WHEN 'MALE' THEN 1 END)Male
		  ,COUNT(CASE UPPER(JEANS) WHEN 'FEMALE' THEN 1 END) Female
		  ,COUNT(CASE UPPER(PROFESSION) WHEN 'PUPIL' THEN 1 END) Pupil
		  ,COUNT(CASE UPPER(PROFESSION) WHEN 'STUDENTS' THEN 1 END) Students
		  ,COUNT(CASE UPPER(PROFESSION) WHEN 'WORKER' THEN 1 END)Worker
	INTO #Result1
	FROM @INFO1
	GROUP BY CONVERT(INT,DATEDIFF(YEAR,BIRTHDAY,GETDATE()))
	ORDER BY CONVERT(INT,DATEDIFF(YEAR,BIRTHDAY,GETDATE()))
   
	SELECT * FROM #Result1
	UNION ALL
	SELECT 'ALL'
		  ,SUM([All])
		  ,SUM(Male)
		  ,SUM(Female)
		  ,SUM(Pupil)
		  ,SUM(Students)
		  ,SUM(Worker)
	FROM #Result1
  
	DROP TABLE #Result1
	END

Output

For Sign = 1

For Sign other than 1