Problems
Triangle
include <bits/stdc++.h>
using namespace std; int main() { int a,b,c; cin>>a>>b>>c; if(a+b>c and a+c>b and b+c>a) { int n=a+b+c; cout<<n; } else { cout<<"No"<<endl; } return 0; }//Easy
using namespace std; int main() { int a,b,c; cin>>a>>b>>c; if(a+b>c and a+c>b and b+c>a) { int n=a+b+c; cout<<n; } else { cout<<"No"<<endl; } return 0; }//Easy