A + B Again

Time Limit: 1000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 11855    Accepted Submission(s): 5178

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

```#include<stdio.h>

int main()
{
_int64 a,b;
while(scanf("%I64X%I64X",&a,&b)==2)
{
if(a+b<0)
printf("-%I64X\n",-(a+b));
else
printf("%I64X\n",a+b);
}
return 0;
}```

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