#include <stdio.h>
int fibonacci (int n){
if(n==0) return 0;
else if(n==1) return 1;
else {
return fibonacci(n-2)+fibonacci(n-1);
}
}
int main(){
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CmludCBmaWJvbmFjY2kgKGludCBuKXsKIGlmKG49PTApIHJldHVybiAwOwogIGVsc2UgaWYobj09MSkgcmV0dXJuIDE7CiAgICAgICAgICBlbHNlIHsKICAgICAgICAgIAlyZXR1cm4gZmlib25hY2NpKG4tMikrZmlib25hY2NpKG4tMSk7CiAgICAgICAgICB9Cn0KaW50IG1haW4oKXsKcHJpbnRmKCIlZCIsIGZpYm9uYWNjaSg1KSk7CnJldHVybiAwOwp9