#include <iostream>
using namespace std;
int main() {
for (int t = 0; t < 10; t++)
{
for (int o = 0; o < 10; o++)
{
for (int k = 0; k < 10; k++)
{
for (int i = 0; i < 10; i++)
{
if ((k * 100 + i * 10 + o) * (i * 10 + o) == (t * 10000 + o * 1000 + k * 100 + i * 10 + o))
std::cout << t << " " << o << " " << k << " " << i << std::endl;
}
}
}
}
return 0;
}
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