讨论串#include <iostream>

#include <iostream> #include <cmath> using namespace std; int main (){ int a, b, c, q, w, e; cin>>a>>b>>c; q=pow(a,2); w=pow(b,2); e=pow(c,2); if(q+w==e) cout<<true; else cout<<"x"<<endl; return 0; }