平生第一个用Java写的a+b（HDU 1000）简单题，好开心

import java.io.*;
import java.util.*;

public class Main
{
public static void main(String args[])
{
int a, b;
Scanner cin = new Scanner(System.in);
while(cin.hasNextInt())
{
a = cin.nextInt();
b = cin.nextInt();
System.out.println(a + b);
}
}
}