codeforces/78/78A Haiku.cpp

/*
    author    : MishkatIT
    created   : Tuesday 2023-08-22-17.24.31
*/
#include<bits/stdc++.h>
#define fio ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define debug(_) cout << #_ << " is " << _ << '\n';
using namespace std;
using ll        = long long;
using ld        = long double;
const ll mod    = 1e9 + 7;
const ll N      = 1e5 + 10;
const ll inf    = 1e9;
const ll linf   = 1e18;

int main()
{
    fio;
    string vowel = "aeiou";
    bool ok = true;
    for (int i = 0; i < 3; i++) {
        string str;
        getline(cin, str);

        int cnt = 0;
        for (auto& x: str) {
            cnt += (vowel.find(x) != string::npos);
        }

        if(i & 1) {
            ok &= (cnt == 7);
        } else {
            ok &= (cnt == 5);
        }
    }
    cout << (ok ? "YES" : "NO") << '\n';
    return 0;
}