Task: Program Execution
Input (English): 4, 22, ['X', '9791', '5537', 's', 'y', '1135', 'n', 'c', '633', '3397', '6453', 'm', '1907', '225', 'T', '6719', 'l', 'B', 'g', '7727', 'n', 'J', '4421', 'a', 'y', '9745', 'Z']
Output (English): Jn7727gBl6719T2251907m64533397633cn1135ys