#nguyenminhtuan477

C++
#include <bits/stdc++.h>
using namespace std;
#define ll long long 
#define hutao int main()
#define it int
hutao {
    ll a[101],tp,i; 
    bool xuly = false;
    for (i = 0; i < 10; ++i) {
        cin >> a[i];
    }
    cin >> tp;
    for (i = 0; i < 10; ++i) {
        if (a[i] == tp) {
            if (xuly) {
                cout << " "; 
            }
            cout << i + 1; 
            xuly = true;
        }
    }
    if (!xuly) {
        cout << -1;
    }
    return 0;
}