Task: Program Execution
Input (English): 1, 21, ['N', 't', '2739', '9461', '7971', 'R', 'X', '3713', '1231', '4261', '1295', '373', '263', '3747', '4405', 'Q', 'u', '5889', 'Q', '1165', 'g', '673', '3721']
Output (English): Nt273994617971RX371312314261129537326337474405Qu5889Q1165g