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