Task: Program Execution
Input (English): 1, 3, ['Q', '4487', 'r', 'W', '5659', '4477', '7119', 'd', 'z', '6399', '713', 'K', '6233', 'r', 'u', 'w', 'z', 'Z', 't', '3609', 'S', 'y', '9513', '3825', 'p', 'h', '4741', '3909']
Output (English): r4487Q