#include<bits/stdc++.h>#define int long longusingnamespacestd;constintmod=998244353,N=1e5+6;constintM=5e3+5;inta[M][M];intn;intq;voidsolve(){cin>>n>>q;for(inti=1;i<=n;i++){for(intj=1;j<=n;j++){cin>>a[i][j];}}for(inti=1;i<=n;i++){if(i<=n%q){cout<<a[i][i]<<' ';}else{cout<<0<<' ';}}cout<<endl;}signedmain(){cin.tie(0);cout.tie(0);ios::sync_with_stdio(0);int_;_=1;//cin >> _;while(_--){solve();}return0;}