#include <iostream>
#include <iomanip>
using namespace std;
int main(){
    int n,m;
    while (cin >> n >> m){
        double *c = new double[m]{0},*i = new double[n*m]{0};
        int count=0,tmp=0;
        for(int ii = 0;ii<n*m;ii++){
            cin >> i[ii];
            c[ii%m] += i[ii];
            if((ii%m == 0 && ii !=0))
                (cout << setiosflags(ios::fixed) << setprecision(2) << (float)tmp/m << ' '),tmp=0;
            if(ii == n*m-1){
                cout << setiosflags(ios::fixed) << setprecision(2) << (float)(tmp+i[ii])/m << endl;
                for(int j = 0;j<m-1;j++)
                    cout << (c[j] /= n) << ' ';
                cout << (c[m-1] /= n) << endl;
            }
            tmp += i[ii];
        }
        for(int ii = 0;ii<n;ii++){
            for(int j = 0;j<m;j++)
                if(i[ii*m+j]<c[j])goto out;
            count++;
            out:;
        }
        cout << count << endl;
    }
    return  0;
}