Task: Program Execution
Input (English): 7, 28, ['N', '4679', '6605', 'X', 'q', '3147', '2627', '4015', '9819', '7969', 'K', 'a', 'N', 'M', '945', '4817', 'e', 'U', 'Z', 'y', 'u', '4053', 'f', 'r', 'A', '3573', '2187', 'W', '6239']
Output (English): W78123753Arf3504uyZUe7184549MNaK9697918951047262