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import java.io.*;
public class question05 {

    public static void main(String args[])throws IOException {
     BufferedReader buf=new BufferedReader(new InputStreamReader(System.in));
     System.out.print("請輸入數字1(1~1500):");
     int a=Integer.parseInt(buf.readLine());
     System.out.print("請輸入數字2(1~1500):");
     int b=Integer.parseInt(buf.readLine());
     int sum=0;
     if (a>b)
      for (int i=b;i     if (a      for (int i=a;i     System.out.println("總和為:"+sum);
    }
   
   
}