C++ :

#include<bits/stdc++.h>
using namespace std;
int main()
{
	string st[8]={"red","yellow","blue","black","white","puple","brown"};
	string s;
	int t=0,at=0;
	getline(cin,s);
	for(t=0;t<7;t++)
	{
		at=s.find(st[t]);
		if(at!=-1) break; 
	}
	if(at!=-1) cout<<1<<endl<<st[t];
	else cout<<0;
	return 0;
}