#include <iostream>

#include <string>

#include <vector>

using namespace std;

vector<vector<int>> graph;
vector<int> color;
vector<int> vertexes;

void printCycle(int ver) {
    int counter = 0;
    for (int i = vertexes.size() - 1; i >= 0 && vertexes[i] != ver; i--) {
        counter++;
    }
    cout << counter + 1 << "\n";
    for (int i = vertexes.size() - 1; i >= 0 && vertexes[i] != ver; i--) {
        cout << vertexes[i] + 1 << " ";
    }
    cout << ver + 1 << "\n";
    exit(0);
}

void dfs(int v, int from) {
    color[v] = 1;
    vertexes.push_back(v);
    for (int i = 0; i < (int)graph[v].size(); i++) {
        int vertex = graph[v][i];
        if (color[vertex] == 0)
            dfs(vertex, v);
        if (color[vertex] == 1 && vertex != from) {
            cout << "YES\n";
            printCycle(vertex);
        }
    }
    vertexes.pop_back();
    color[v] = 2;
}

int main() {
    int n;
    cin >> n;
    graph.resize(n, vector<int>());
    color.resize(n);
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            int a;
            cin >> a;
            if (a == 1)
                graph[i].push_back(j);
        }
    }

    for (int i = 0; i < n; i++) {
        if (color[i] == 0)
            dfs(i, -1);
    }

    cout << "NO";
}