#include<iostream.h>
#include<fstream.h>
ifstream f("dfs.in");
ofstream g("dfs.out");
int a[50][50],x,y,n,m,i,j,nr=1;
void citire(){int i,j;
f>>n;
for(i=1;i<=n;i++)
	for(j=1;j<=m,j++)
		f>>a[i][j];}
void df(int x){int i;
v[x]=nr;
for(i=1;i<=n;i++)
	if(a[i][x] && !viz[i]) df(i);}
   void main(){
	citire();
	for(i=1;i<=n;i++)
	if(!viz[i]){df(i);nr++;}
	
	cout<<nr<<"componente";}
   f.close();
   g.close();