#include<iostream>
using namespace std;
int main(){
	int a=0;
	cin>>a;
	int b[a][a],c[a]; 
	for(int i=0;i<=a-1;i++){
		c[i]=0;
		for(int l=0;l<=a-1;l++){
			scanf("%d",&b[i][l]);
		}
	}
	for(int v=0;v<=a-1;v++){
		for(int x=0;x<=a-1;x++){
			if(x==v){
				continue;
			}
			c[x]=b[v][x]+c[x];
		}
	}
	for(int s=0;s<=a-1;s++){
		//cout<<c[s]<<endl;
	if(c[s]>a/2-1){
			cout<<s+1<<' ';
		}
	}
}