R version 3.3.2 (2016-10-31) -- "Sincere Pumpkin Patch"
Copyright (C) 2016 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> x <- c(2013M1		95.2,2013M2		95.34,2013M3		95.32,2013M4		96.04,2013M5		99.65,2013M6		100.85,2013M7		108.18,2013M8		108.18,2013M9		103.14,2013M10		99.71,2013M11		99.39,2013M12		98.99,2014M1		98.83,2014M2		99.52,2014M3		99.5,2014M4		99.5,2014M5		99.39,2014M6		101.79,2014M7		106.03,2014M8		105.41,2014M9		104.32,2014M10		101.17,2014M11		99.79,2014M12		100.08,2015M1		100.27,2015M2		101.63,2015M3		101.74,2015M4		103.73,2015M5		103.29,2015M6		105.71,2015M7		107.42,2015M8		107.57,2015M9		105.13,2015M10		103.61,2015M11		102.35,2015M12		102.14,2016M1		104.32,2016M2		104.69,2016M3		106.02,2016M4		104.78,2016M5		106.36,2016M6		109.27,2016M7		113.46,2016M8		113.46,2016M9		110.61,2016M10		104.37,2016M11		103.82,2016M12		104.1)
Error: unexpected symbol in "x <- c(2013M1"
Execution halted