#include <iostream>
#include <bits/stdc++.h>
using namespace std;
int n, m;
int mat[55][55];
int dp[55][55];
pair<int, int> path[55][55];
int rec(int i, int j) {
    if(i == n - 1 and j == m - 1) {
        path[i][j] = make_pair(-1, -1);
        return mat[i][j];
    }
    if(dp[i][j] != -1) {
        return dp[i][j];
    }
    int right_path = 0, down_path = 0;
    if(i + 1 < n) {
        down_path = rec(i + 1, j) + mat[i][j];
    }
    if(j + 1 < m) {
        right_path = rec(i, j + 1) + mat[i][j];
    }
    if(down_path > right_path) {
        path[i][j] = make_pair(i + 1, j);
    }
    else {
        path[i][j] = make_pair(i, j + 1);
    }
    return dp[i][j] = max(down_path, right_path);
}
int main() {
    cin >> n >> m;
    for(int i = 0; i < n; i++) {
        for(int j = 0; j < m; j++) {
            cin >> mat[i][j];
        }
    }
    memset(dp, -1, sizeof dp);
    cout << rec(0, 0) << endl;
    pair<int, int> at;
    
    for(at = make_pair(0, 0); at != make_pair(-1, -1); at = make_pair(path[at.first][at.second].first, path[at.first][at.second].second)) {
        cout << at.first + 1 << " " << at.second +  1<< endl;
    }
    return 0;
}