Monistus

input_str = input()

def process_string(input_str):
    result = []
    while input_str:
        i = 0
        while i < len(input_str) and not input_str[i].isdigit():
            i += 1

        if i < len(input_str):
            digit = int(input_str[i])
            start_index = i + 1
            end_index = start_index + digit
            substring = input_str[start_index:end_index]
            input_str = input_str[:i] + substring + input_str[i + 1:]
            i = 0
        else:
            break
    return input_str

output_str = process_string(input_str)
print(output_str)

Test 1

Group: 1, 2

Verdict: ACCEPTED

Test 2

Group: 1, 2

Verdict: ACCEPTED

Test 3

Group: 1, 2

Verdict: ACCEPTED

Test 4

Group: 1, 2

Verdict: ACCEPTED

Test 5

Group: 1, 2

Verdict: ACCEPTED

Test 6

Group: 1, 2

Verdict: ACCEPTED

Test 7

Group: 1, 2

Verdict: ACCEPTED

Test 8

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 9

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 10

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 11

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 12

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 13

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 14

Group: 2

Verdict: TIME LIMIT EXCEEDED