# include <bits/stdc++.h>

using namespace std;
int a[1001][1001];
int main(){
	int n,m,ans;
	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; 
}