#include <bits/stdc++.h>
using namespace std;
int main()
{
int N,M;
scanf("%d %d",&N,&M);
vector<int> v;
int tea,count1,count2,min1=100000,max1=-1;
double sum=0,count3=0;
for(int i=0;i<N;i++)
{
sum=0,count3=0,min1=100000,max1=-1;
scanf("%d",&count1);
for(int j=0;j<N-1;j++)
{
scanf("%d",&count2);
if(count2<=M&&count2>=0){
sum += count2;
count3++;
if(count2>max1){
max1 = count2;
}
if(count2<min1)
{
min1 = count2;
}
}
}
v.push_back(((sum-max1-min1)/(count3-2)+count1)/2+0.5);
}
for(int i=0;i<v.size();i++)
{
cout<<v[i]<<endl;
}
return 0;
}