Task: Program Execution
Input (English): 1, 10, ['3129', 'J', 'X', 'j', 'u', 'X', 'z', '375', '8607', '6031', 'G', '7355', '5309', 'k', '4605', '6785', '87', '3675']
Output (English): 60318607375zXujXJ3129