Fibonacci With function

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

int main()
{
    int n;

    scanf("%d",&n);
    fibonacci(n);
    printf("Fibonachi = %d",fibonacci(n));

    return 0;
}