袁老师版题解

#include<bits/stdc++.h> 
using namespace std;
int main(){
	string c,t;
	cin>>c;
	char a;
	for (int i=0; i<c.length(); i++){
		c[i]=tolower(c[i]); //将大写全部转为小写 
		if (a!=c[i]){ 
			a=c[i];
			t+= c[i];
		}
	}
	if (t == "meow"){
		cout <<"YES"<<endl;
		
	}else{
		cout <<"NO"<<endl;
	}
	
}