~cpp 
#include <stdio.h>
static int number_output;    
int pi(int round)
{

	static int a=1,b=1,c=0,round_temp;
          
	c= a+b;
	a=b;
    b=c;
	
	round_temp=round;
    round_temp--;



if(round_temp !=0)
pi(round_temp);
else number_output = b;
//return b;

return 0;


}
    




int main()
{


int number_input;

printf("이보삼 알고싶은번째 피보나치수좀 알아보셈 : ");
scanf("%d",&number_input);
pi(number_input);

printf("%d",number_output);



	return 0;
}