Task: Program Execution
Input (English): 21, 26, ['277', 'I', 'r', '3309', 'w', 'q', '1149', 'B', '5667', '9443', '7147', '5869', '1195', 'b', 'H', '5411', 'o', 'i', 't', 'U', 'j', 'Z', 'e', '6121', '1943', '5555', '5685', 'e']
Output (English): j, Z, e, 6121, 1943, 5555