Task: Program Execution
Input (English): 7, ['5351', 'k', '1357', '769', 'U', 'U', 'v', '5589', 'f', '143', 'X', '1731', '8667', 'f', '2897', '2481', '2729', 'L', '6059', '611', 'p', 'b', 'K']
Output (English): 5351, 5589, 2897, b