Task: Program Execution
Input (English): 14, 19, ['f', '6709', '1771', '3699', 'i', '4507', 'm', '7793', '4271', 'T', 'h', 'P', 'Z', '8907', 'i', '2171', 'W', '4259', 'K']
Output (English): 8907i2171W4259K