Task: Program Execution
Input (English): z, 9053, k, 7701, 7823, W, M, N, i, 8455, 6359, 8969, g, 8537, l, 5201, 1449, 1747, X, 8629, 2981
Output (English): 1, 3, 6, 7, 8, 9, 13, 15, 19