選択入力し、合計を求める　while繰り返し構文を使用

public class ren03_10
{
public static void main (String[] args) throws IOException
{
BufferedReader br =
new BufferedReader( new InputStreamReader(System.in));
System.out.print("整数１を入力 > ");
int head = Integer.parseInt( br.readLine() );
System.out.print("整数２を入力 > ");
int tail = Integer.parseInt( br.readLine() );
System.out.print("偶数(1)・奇数(2)を選択 > ");
int inputEvenOdd = Integer.parseInt( br.readLine());
if(head > tail){
int temp = head;
head = tail;
tail = temp;

}
int headEvenOdd = 1;
if(head%2 != 0){
headEvenOdd = 2;
}
int headModified = head;
if(inputEvenOdd != headEvenOdd){
headModified++;
}
int i = headModified;
int total = 0;
while(i<=tail){
total += i;
i+=2;
}
System.out.print(head + " から " + tail + " までの");

if(inputEvenOdd == 1){
System.out.print("偶数");
}
else{
System.out.print("奇数");
}
System.out.println("の合計は " + total + " です。");

}
}