Task: Program Execution
Input (English): J Y g P U 7951 2987 5787 6857 a R 4989 4155 7719 j 5615 9677 f N 8461 5701 4007 7365 W u 6609 3061 1557
Output (English): J, Y, g, P, U, a, R, j, f, N, W, u, 7951, 2987, 5787, 6857, 4989, 4155, 7719, 5615, 9677, 8461, 5701, 4007, 7365, 6609, 3061, 1557