Task: Program Execution
Input (English): 7431, o, 2619, 7545, C, c, i, 8445, l, 1539, p, u, M, 1291
Output (English): 7431, 15, 2619, 7545, 3, 3, 9, 8445, 12, 1539, 16, 21, 13, 1291