#include <stdio.h>
int main(void) {
int a,b;
int add;
add = a+b;
printf("addition:%d+%d=%d",a
,b
,add
); }
I2luY2x1ZGUgPHN0ZGlvLmg+CgppbnQgbWFpbih2b2lkKSB7CglpbnQgYSxiOwoJaW50IGFkZDsKCXByaW50ZigiZW50ZXIgYSxiIHZhbHVlcyIpOwoJc2NhbmYoIiVkICVkIiwmYSwmYik7CglhZGQgPSBhK2I7CglwcmludGYoImFkZGl0aW9uOiVkKyVkPSVkIixhLGIsYWRkKTsKfQo=