171206_10987_모음의 개수

//https://www.acmicpc.net/problem/10987 #include <iostream>

#include <string>

using namespace std;

int main()

{

string s;

cin >> s;

int l=s.size();

int cnt=0;

for(int i=0; i<l; i++)

{

if(s[i]=='a' || s[i]=='e' ||s[i]=='i' ||s[i]=='o' ||s[i]=='u' )

cnt++;

}

cout << cnt;

}