Task: Program Execution
Input (English): 12, 21, ['9559', '3287', 'd', '9059', '9873', '7785', 'y', 'M', '6949', 'n', '3163', 's', 'C', '8997', 'u', '5605', '2991', '113', 'I', '6353', 'D', '2977', '3087', '7943', 'D']
Output (English): sC8997u56052991113I6353D