#include <bits/stdc++.h>
#include <stdio.h>
#include <iostream>
#include <string>

using namespace std;

int main()
{
    freopen ("Input.txt", "r", stdin);
    freopen ("Output.txt", "w", stdout);
    int n,m,a[110][110],ans=0,b[10010][2],k=0;
    cin>>n;
    for(int i=0;i<n;i++){
        for(int j=0;j<n;j++){
            cin>>a[i][j];
            if(a[i][j]==1){
                ans++;
                b[k][0]=i+1;
                b[k][1]=j+1;
                k++;
            }
        }
    }
    cout<<n<<' '<<ans<<'\n';
    for(int i=0;i<ans;i++){
        cout<<b[i][0]<<' '<<b[i][1]<<'\n';
    }
    return 0;
}