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#include <iostream>
#include <map>
#include <utility>
using namespace std;
int
main ()
{
int v, e, b;
map<pair<int, int>, int> m;
cin >> v >> e;
for (int i = 0; i < v; ++i)
{
pair<int, int> p {-1, -1};
for (int j = 0; j < e; ++j)
{
cin >> b;
if (!b)
continue;
if (p.first < 0)
p.first = p.second = j;
else
p.second = j;
}
m[p]++;
}
for (auto const& [p, c] : m)
cout << p.first << " " << p.second << " " << c << endl;
}
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