Task: Program Execution
Input (English): 2, 7, ['1913', 'p', 'p', 'J', 'I', 'm', 'P', '8971', 'x', '2455', 'T', '8781', 's', 'd', '2977', '8357', 'P', '4097', 'Z', '1421', 'R', '375', 'i', 'r', '4033', '3279', '6331', 'z', '4455']
Output (English): p, x, 8357, i