include<bits/stdc++.h>

using namespace std; int main(){ long double x,y,z; cin>>x>>y>>z; cout<<setprecision(4)<<fixed<<x+y<<" "<<x+z<<" "<<z+y; }

include<cmath>

include<vector>

include<iostream>

include<bits/stdc++.h>

using namespace std; int main(){ long double x,y,z; cin>>x>>y>>z; cout<<setprecision(4)<<fixed<<x+y<<" "<<x+z<<" "<<z+y; return 0; }

include <iostream>

using namespace std; int main() { float x,y,z; cin>>x>>y>>z; cout<<x+y<<" "<<x+z<<" "<<y+z<<" "<<endl; return 0; }

include<bits/stdc++.h>

using namespace std; int main(){ long double x,y,z; cin>>x>>y>>z; cout<<setprecision(4)<<fixed<<x+y<<" "<<x+z<<" "<<z+y; return 0; }

import math a,b,c=map(float,input().split()) print(round(a+b,4),round(a+c,4),round(b+c,4))