#include using namespace std; long double sum[26],mini=9999999,total; int n,m,nr=0; struct fr { int val[26]; long double dist; bool operator()(fr a,fr b) { for(int k=1; k<=n; k++) if(a.val[k]!=b.val[k]) return a.val[k]>m>>n; for(int i=1; i<=m; i++) for(int j=1; j<=n; j++) cin>>v[i].val[j],sum[j]+=v[i].val[j]; for(int j=1; j<=n; j++) sum[j]=(long double)sum[j]/(long double)n; for(int i=1; i<=m; i++) { for(int j=1; j<=n; j++) v[i].dist+=fabs(sum[j]-v[i].val[j]); if(v[i].dist