/*
Desc: calculate c=a+b 
Auth: Liutong Xu
Date: 2017/9/26
*/
 
#include <stdio.h>
 
int main() 
{
    int a, b;
    int c;
 
    c = a + b;
    printf("%d + %d = %d\n",a
, b
, c
);  
    return 0;
}
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