#include<iostream> #include<iomanip> #include<cmath> using namespace std; int main(){ float a,b; cin>>a>>b; cout<<std::fixed<<setprecision(2)<<sqrt(aa+bb); return 0; }

#include <bits/stdc++.h> using namespace std; int main(){ int a,b; cin >> a >> b; printf("%.2f",sqrt(aa+bb)); return 0; }