//============================================================================
// Name : 16BitSWOnly.cpp
// Author : Daxi the Taxi
// Version :
// Copyright : ALL YOUR CODE IS BELONG TO US
// Description : Hello World in C++, Ansi-style
//============================================================================
#include <iostream>
using namespace std;
int n;
int main() {
scanf("%d", &n);
for (int i = 0; i < n; ++i) {
long long a, b, c;
scanf("%lld %lld %lld", &a, &b, &c);
if(a * b != c){
printf("16 BIT S/W ONLY\n");
}
else{
printf("POSSIBLE DOUBLE SIGMA\n");
}
}
return 0;
}