#include <stdio.h>

void func(){
printf("i am func.¥n");
}

int fibo(int a){
return a == 0 ?
(a = 1, 0)
: a == 1 ?
(a = 2, func(), 1)
:
fibo(a - 1) + fibo(a - 2);
}

int main(){
printf("%d¥n", fibo(10));
return 0;
}