16进制a+b

Description

Many classmates said to me that A+B is must needs. If you can’t AC this problem, you would invite me for night meal. ^_^

Input

Input may contain multiple test cases. Each case contains A and B in one line. A, B are hexadecimal number. Input terminates by EOF.

Output

Output A+B in decimal number in one line.

Sample Input

1 9
A B
a b

Sample Output

10
21
21

注意：不只是单个的字符 有可能是2个甚至多个 所以要用字符串输入

AC代码：

#include <stdio.h>
#include <string.h>
int main()
{
    char a[100],b[100];
    int c=0,d=0,i;
    while(scanf("%s %s",a,b)!=EOF)
    {
        int n=strlen(a);
        int m=strlen(