B Again

題目描述

There must be many A + B problems in our HDOJ , now a new one is coming.
Give you two hexadecimal integers , your task is to calculate the sum of them,and print it in hexadecimal too.
Easy ? AC it !

Iutput

The input contains several test cases, please process to the end of the file.
Each case consists of two hexadecimal integers A and B in a line seperated by a blank.
The length of A and B is less than 15.

Output

For each test case,print the sum of A and B in hexadecimal in one line.

Sample Input

+A -A
+1A 12
1A -9
-1A -12
1A -AA

Sample Output

0
2C
11
-2C
-90

思路：

程式碼

#include<stdio.h>
int main()
{
    __int64  A,B;
    while(scanf("%I64X %I64X",&A,&B)!=EOF)
    {
        B=A+B;
        if
 
(B>=0)
            printf("%I64X\n",B);
        if(B<0)
        {
            B=-B;
            printf("-%I64X\n",B);
        }
    }
    return 0;
}