Task: Program Execution
Input (English): 521, 1243, c, p, w, i, 3403, 1657, 4289, n, m, 4453, 2225, t, o, c, x, 1883, 3401, 37, 8311, 6393, c
Output (English): c, i, m, n, o, p, t, w, x