Fibo

#include <stdio.h>
 int main()
{
    int x;
    scanf("%d",&x);
    printf("There is(are) %d way(s).",fibo(x));
    return 0;
}
 int fibo(int x)
{
     int a = 1;
     int b = 2;
     int count = 0;
     int sum;
    if(x==1 || x==2) return x;
    else
    {
        while(count!=x-2)
        {
            sum = a+b;
            a = b;
            b = sum;
            count += 1;
        }
        return sum;
    }
}