#include<iostream>
using namespace std;
int m,n;
int sum[1005][1005];
int a[1005][1005];
int main(){
	cin>>m>>n;
	for(int i=1;i<=m;i++){
		for(int j=1;j<=n;j++){
			cin>>a[i][j];
			sum[i][j]=sum[i][j-1]+a[i][j];
			cout<<sum[i][j]<<" "; 
		}
		cout<<endl;
	}
    return 0;
}