fibo

#include<stdio.h>

int fibo(int n) {
    int f0, f1,temp,i;
    f0 = 0;
    f1 = 1;
    for(i=3; i<=n; i++) {
        temp = f0;
        f0 = f1;
        f1 = temp + f1;
    }
    return f1;
}

int main(){
    int n;
    while( n != 0 ) {
        scanf("%d",&n);
        printf("%d. fibonacci number is %d\n", n, fibo(n));
    }
    anykey();
    return 0;
}