A + B Again

Time Limit: 1000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)

Problem Description

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 !

Input

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

Author

linle

Source

校庆杯Warm Up

计算机能够处理16进制数

代码如下；

#include<stdio.h>

#include<stdlib.h>

#include<math.h>

int main()

{

__int64 a,b;

while(~scanf("%I64X%I64X",&a,&b))

{

if(a+b<0)

printf("-%I64X\n",-a-b);

else

printf("%I64X\n",a+b);

}

return 0;

}

杭电 2057