Task: Program Execution
Input (English): 7, 18, ['e', '3449', 'f', 'W', '1397', '9255', '4511', 'N', 'Y', '7971', '4665', 'p', 'M', 'X', 'g', '5337', '6817', 'd', 'C', 'X', 'Z', 'e', '5697']
Output (English): d71867335gXMp56641797YN1154