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spongewxy

于 2015-05-22 09:25:50 发布

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分类专栏： Codeforces

本文链接：https://blog.youkuaiyun.com/XDU_PYL/article/details/45913145

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#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <iostream>
#include <string>
#include <vector>
#include <queue>
#include <algorithm>
using namespace std;

int main() {

    int i, j = 0;
    string s1 = "hello";
    string s2;
    cin >> s2;
    int len = s2.length();
    for(i = 0; i < len; ++i) {
        if(s2[i] == s1[j]) {
            ++j;
        }
        if(j == 5) break;
    }
    cout << (j == 5 ? "YES" : "NO") << endl;
    return 0;
}