#include
#include
using namespace std;
int n, m;
int mat[55][55];
int dp[55][55];
pair 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 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;
}