#includeusing namespace std;int mian(){ int a,b,c; while(1) {cin>>a>>b>>c;if(a&&b&&c=c||a+c>=b||c+b>=a)
cout>a>>b>>c;if(a+b>c&&a+c>b&&b+c>a){cout> a >> b >> c;
if(a = 1000 || b = 1000 || c = 1000) {
break;
}
if(a + b > c && a + c > b && b + c > a) {
cout << "YES" << endl;
}
else {
cout << "NO" << endl;
}}return 1;}
