Task: Program Execution
Input (English): 13, 23, ['f', 'T', 's', 'O', '1907', 'N', 'e', '619', 'j', 'l', 'b', '7111', '7933', 'C', 'h', 'E', 'S', 'm', '3937', 'p', '623', '3297', 'U', '3599']
Output (English): U7923326p7393mSEhC3397