#include<stdio.h>
int fibr(int n)
{
   if((n==1)||(n==2))
      return 1;
   else return(fibr(n-1)+fibr(n-2));
}
int main()
{
int Fn,n;
printf("Unesite n\n");
scanf("%d",&n);
Fn=fibr(n);
printf("F[%d]=%d",n,Fn);
putchar('\n');
return 0;

}