Task: Program Execution
Input (English): 11, 14, ['7913', '603', 'P', 'u', 'b', 'z', '7429', 'e', 'f', '847', '1351', '2277', 'E', 'k', 'N', '6779', '601', 'W', '7721', '7213']
Output (English): 1351, 2277, E, k