#include<iostream>
using namespace std;
int main()
{
float x,y,z;
cout<<"x=";cin>>x;cout<<"y=";cin>>y;cout<<"z=";cin>>z;
if((x+y>z)&&(x+z>y)&&(y+z>x)&&(x>0)&&(y>0)&&(z>0)){
cout<<"da, pot fi laturile unui triunghi";}
else{
cout<<"Nu pot fi laturile unui triunghi";}
return 0;
}