请阅读以下程序:#include#includevoid fun(int b[]){ static int i=0;do{ b[i]+=b[i+1];}while(++i<2);}main(){ int k,a[5]={1,3,5,4,9};fun(a);for(k=0;k<5;k++)printf("%d",a[k]);}上面程序的输出是().