#include<iostream>
#include<algorithm>
using namespace std;
const int maxn=10000;
int main()
{
int n,c,k=0;
int a[maxn];
while(scanf("%d %d",&n,&c)!=EOF)
{
int i;
for(i=0;i<n;i++)
scanf("%d",&a[i]);
sort(a,a+n);
printf("CASE# %d:\n",++k);
while(c--)
{
int x;
scanf("%d",&x);
int p=lower_bound(a,a+n,x)-a;
if(a[p]==x) printf("%d found at %d\n",x,p+1);
else printf("%d not found\n",x);
}
}
}
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