first third problem resolve

@@ -35,46 +35,11 @@ class InputProfilFirstThreeActivity : AppCompatActivity() {
         val prof: SharedPreferences=getSharedPreferences("profdata", Context.MODE_PRIVATE)
         val editor: SharedPreferences.Editor=prof.edit()
 
-        manButton.setOnClickListener{
-            var id: Int = radio_group.checkedRadioButtonId
-            if (id!=-1){
-                val radio:RadioButton = findViewById(id)
-                editor.putString("manorwoman","man")
-                editor.commit()
-                /*
-                Toast.makeText(applicationContext,"On button click : ${radio.text}"+prof.getString("manorwoman","nothing"),
-                    Toast.LENGTH_SHORT).show()
-                 */
-            }else
-            {
-            }
-        }
-
-        womanButton.setOnClickListener{
-            var id: Int = radio_group.checkedRadioButtonId
-            if (id!=-1){
-                val radio:RadioButton = findViewById(id)
-                Toast.makeText(applicationContext,"On button click : ${radio.text}",
-                    Toast.LENGTH_SHORT).show()
-                editor.putString("manorwoman","woman")
-                editor.commit()
-            }else
-            {
-            }
-        }
-
-        previousButton.setOnClickListener {
-            var intent = Intent(this, InputProfilFirstTwoActivity::class.java)
-            startActivity(intent)
-        }
-        var id: Int = radio_group.checkedRadioButtonId
-        val radio:RadioButton = findViewById(id)
-
         nextButton.setOnClickListener {
             var intent = Intent(this, InputProfilFirstFourActivity::class.java)
             startActivity(intent)
 
-            if ((radio.text)=="남성"){
+            if (manButton.isChecked){
                 editor.putInt("c2_1",1)
                 editor.commit()
                 //마지막장에 상관없음 추가

@@ -23,28 +23,28 @@ class InputProfilFirstTwoActivity : AppCompatActivity() {
 
 
         nextButton.setOnClickListener {
-            var intent = Intent(this, InputProfilFirstThreeActivity::class.java)
-            startActivity(intent)
 
-            var birthdateinput=findViewById<EditText>(R.id.editText).text.toString().toInt()
-            if ((2019-birthdateinput)<19){
+
+            var birthdateinput=findViewById<EditText>(R.id.editText).text.toString()
+                var birthdateint=birthdateinput.toInt()
+            if ((2019-birthdateint)<19){
                 editor.putInt("c1_2",1)
                 editor.commit()
                 //마지막장에 상관없음 추가
             }
-            else if((2019-birthdateinput)<34){
+            else if((2019-birthdateint)<34){
                 editor.putInt("c1_3",1)
                 editor.commit()
             }
-            else if((2019-birthdateinput)<40){
+            else if((2019-birthdateint)<40){
                 editor.putInt("c1_4",1)
                 editor.commit()
             }
-            else if((2019-birthdateinput)<49){
+            else if((2019-birthdateint)<49){
                 editor.putInt("c1_5",1)
                 editor.commit()
             }
-            else if((2019-birthdateinput)<59){
+            else if((2019-birthdateint)<59){
                 editor.putInt("c1_6",1)
                 editor.commit()
             }
@@ -52,6 +52,9 @@ class InputProfilFirstTwoActivity : AppCompatActivity() {
                 editor.putInt("c1_7",1)
                 editor.commit()
             }
+            var intent = Intent(this, InputProfilFirstThreeActivity::class.java)
+            startActivity(intent)
+
         }
 
     }