#include<iostream>
#include<cstdio>
#include<cmath>
#include<cstring>
using namespace std;
int a[10001][10001],n,m;
int main(){
    cin>>n>>m;
    for(int i=1;i<=n;i++){
        for(int j=1;j<=m;j++){
            cin>>a[i][j];
        }
    }
    for(int i=1;i<=n;i++){
        for(int j=1;j<=m;j++){
            if(a[i][j]!=0){
                cout<<i<<" "<<j<<" "<<a[i][j]<<endl;
            }
        }
    }
    return 0;
}