Monistus

// https://cses.fi/484/task/B
 
#include <iostream>
#include <sstream>
using namespace std;
#define ll long long
 
int main() {
    string word;
    cin >> word;


    for (int _ = 0; _ < 9; _++)
    {
        stringstream newss = {};
        int number_index = -1;
        int len = word.size();
        for (int i = 0; i < len; i++)
        {
            if (isdigit(word[i])) {
                number_index = i;
                break;
            }
        }
        
        if (number_index == -1) break;
        
        int number = word[number_index] - 48;
        // cout << number << endl;
        newss << word.substr(0, number_index)
            << word.substr(number_index + 1, number)
            << word.substr(number_index + 1);
        word = newss.str();
    }
    cout << word;
}

Test 1

Group: 1, 2

Verdict: WRONG ANSWER

Test 2

Group: 1, 2

Verdict: ACCEPTED

Test 3

Group: 1, 2

Verdict: WRONG ANSWER

Test 4

Group: 1, 2

Verdict: WRONG ANSWER

Test 5

Group: 1, 2

Verdict: WRONG ANSWER

Test 6

Group: 1, 2

Verdict: WRONG ANSWER

Test 7

Group: 1, 2

Verdict: WRONG ANSWER

Test 8

Group: 2

Verdict: WRONG ANSWER

Test 9

Group: 2

Verdict: WRONG ANSWER

Test 10

Group: 2

Verdict: WRONG ANSWER

Test 11

Group: 2

Verdict: WRONG ANSWER

Test 12

Group: 2

Verdict: WRONG ANSWER

Test 13

Group: 2

Verdict: WRONG ANSWER

Test 14

Group: 2

Verdict: WRONG ANSWER