Task: Program Execution
Input (English): 1, 21, ['2291', 'p', '4293', 'P', '87', 'y', '6361', 'b', '1665', '9705', 'g', '3097', '431', '5029', '8227', '6795', 'x', '8235', 'S', 'k', 't']
Output (English): tkS8235x6795822750294313097g97051665b6361y87P4293p2291