#include <iostream>
struct __attribute__((__packed__)) mystruct_A
{
char a;
int b;
char c;
}x;
int main()
{
std::cout<<sizeof(x)<<'\n';
}
I2luY2x1ZGUgPGlvc3RyZWFtPgpzdHJ1Y3QgX19hdHRyaWJ1dGVfXygoX19wYWNrZWRfXykpIG15c3RydWN0X0EKewogICBjaGFyIGE7CiAgIGludCBiOwogICBjaGFyIGM7Cn14OwppbnQgbWFpbigpCnsKCXN0ZDo6Y291dDw8c2l6ZW9mKHgpPDwnXG4nOwp9Cg==