#include <stdio.h>
#define $(x) [&](void)->auto{try{return (x);}catch(...){return decltype(x){};}}()
int foo() {
int a[1];
return a[10005000];
}
int main() {
$(printf("Hello, kcalb\n"));
$(printf("%d\n", foo()));
$(printf("Hello, kcalb\n"));
}
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