#include <iostream>
using namespace std;
int main()
{
int v[100];
int n=0;
int x;
do
{
cin >> x;
if (x != 0) {
v[n] = x;
n++;
}
}
while(x!=0);
for(int i=0; i<n-2; i++)
{
if(v[i]+v[i+1]>v[i+2] && v[i]+v[i+2]>v[i+1] && v[i+1]+v[i+2]>v[i])
cout<<v[i]<<" "<<v[i+1]<<" "<<v[i+2]<<endl;
}
return 0;
}