Task: Program Execution
Input (English): 1, 12, ['9019', 's', 'B', '8537', 'N', 'i', '6415', '5321', '5467', '3827', '8995', 'U', '8215', 'o', 'E', '933', '6551']
Output (English): U89953827546753216415iN8537Bs9019