R version 2.13.0 (2011-04-13)
Copyright (C) 2011 The R Foundation for Statistical Computing
ISBN 3-900051-07-0
Platform: i486-pc-linux-gnu (32-bit)

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> x <- c(40.25	50.9,40.31	50.42,40.46	49.55,40.75	56.8,41.81	46.12,42.89	48.33,42.92	54.79,43.12	47.05,43.54	44.01,44.39	56.88,44.52	55.89,45.36	46.69,45.58	47.51,47.02	53.83,47.37	50.83,47.44	48.88,47.76	56.66,48.27	48.41,48.35	44.46,48.82	50.51,48.89	46.89,49.18	52.39,49.21	49.63,50.37	47.32,50.51	52.67,51.76	46.55,52.12	49.12,52.23	52.95,52.33	51.28,52.36	48.5,53.97	53.29,54.04	55.97,54.05	56.01,54.27	48.8,54.29	44.49,55.59	54.55,56.13	51.64,57.47	61.45,60.45	54.06,64.02	56.88)
Error: unexpected numeric constant in "x <- c(40.25    50.9"
Execution halted