Task: Program Execution
Input (English): 19, 21, ['I', 'u', 'd', '2533', 'N', 'z', 'e', '3353', '1853', '5803', '9687', 'N', '621', '7149', '9633', 'v', '3609', 'a', 'G', 'o', 'M', '9207', '1017', '7623']
Output (English): MoG