#include <iostream>
using namespace std;
int main() {
int a{}, b{}, c{};
cout << "Nhap so do tung canh (a b c): ";
cin >> a >> b >> c;
if (a + b < c || a + c < b || b + c < a) {
cout << "Khong phai tam giac" << endl;
}
if (a*a == b*b + c*c || b*b == a*a + c*c || c*c == b*b + a*a )
{
cout << "Tam giac vuong" << endl;
}
if (a == b || a == c || c == b)
{
cout << "Tam giac can" << endl;
}
else if ( a == b == c)
{
cout << "Tam giac deu" << endl;
}
else if (a != b != c)
{
cout << "Tam giac thuong" << endl;
}
system("pause");
return 0;
}