#include<iostream>
#include<string.h>

using namespace std;
int main(){
	char c[101];
	int west,east,a;
	
	cin>>c;
	a=strlen(c);
	for(int i=0;i<a;i++){
		if(c[i]=='O'){
			east++;
		}else if(c[i]=='X'){
			west++;
		}
		
		if(east==3){
			if(west==0){
				cout<<"East"<<endl;
				return 0;
			}
			east=0;
		}else if(west==3){
			if(east==0){
				cout<<"West"<<endl;
				return 0;
			}
			west=0;
		}
	}
	if(west==east && west==0){
		cout<<0<<endl;
	}
	return 0;
}