Task: Program Execution
Input (English): 3, 30, ['7121', 'v', 'k', 'q', 'v', 't', '5597', '5263', 'c', 'r', 'd', 'g', 'D', '1507', 'O', '3079', '4251', 'F', '6575', '1495', 'u', 'a', '7273', '2361', '4365', 'e', 'f', '3449', '4237', 'f']
Output (English): f42373449fe436523617273au14956575F42513079O1507Dgdrc52635597tvqk