#include <stdio.h>

int fib (int x)
{
    if (x > 1)
        return (fib(x - 1) + fib(x - 2));
    else return (x);
}

int main (void)
{   int number, value;

    printf ("Input number: ");
    scanf ("%d", &number);
    value = fib(number);
    printf("fibonacci(%d) = %d\n", number, value);
    return (0);
}

