#include<bits/stdc++.h>
using namespace std;
int main()
{
long double a, b, c, d;
int t, i = 1;
cin >> t;
while(t--)
{
cin >> a >> b >> c;
int f = 0;
d = sqrt((a*a)+(b*b));
if(d == c)
{
cout << "Case " << i++ << ": " << "yes" << "\n";
f = 1;
continue;
}
d = sqrt((b*b) + (c*c));
if(d == a)
{
cout << "Case " << i++ << ": " << "yes" << "\n";
f = 1;
continue;
}
d = sqrt((c*c) + (a*a));
if(d == b)
{
cout << "Case " << i++ << ": " << "yes" << "\n";
f = 1;
continue;
}
if(f == 0)
{
cout << "Case " << i++ << ": " << "no" << "\n";
}
}
return 0;
}
using namespace std;
int main()
{
long double a, b, c, d;
int t, i = 1;
cin >> t;
while(t--)
{
cin >> a >> b >> c;
int f = 0;
d = sqrt((a*a)+(b*b));
if(d == c)
{
cout << "Case " << i++ << ": " << "yes" << "\n";
f = 1;
continue;
}
d = sqrt((b*b) + (c*c));
if(d == a)
{
cout << "Case " << i++ << ": " << "yes" << "\n";
f = 1;
continue;
}
d = sqrt((c*c) + (a*a));
if(d == b)
{
cout << "Case " << i++ << ": " << "yes" << "\n";
f = 1;
continue;
}
if(f == 0)
{
cout << "Case " << i++ << ": " << "no" << "\n";
}
}
return 0;
}
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