Identify the bad token

:Prompt Ex$,$Ey$,$SS$,\backslash$theta

:$\backslash$theta $->\backslash$theta $*(\backslash$pi $/180)//$ Convert angle to radians for trig functions

$//$ Calculate Normal and Shear Strain Components

:$($Ex$+$Ey$)/2+(($Ex$-$Ey$)/2)*$cos$(2\backslash$theta $)+($SS$/2)*$sin$(2\backslash$theta $)->$Ex$\text{'}$

:$($Ex$+$Ey$)/2-(($Ex$-$Ey$)/2)*$cos$(2\backslash$theta $)-($SS$/2)*$sin$(2\backslash$theta $)->$Ey$\text{'}$

:$(($Ex$-$Ey$)/2)*$sin$(2\backslash$theta $)+($SS$/2)*$cos$(2\backslash$theta $)->$SS$\text{'}$

$//$ Orientation of principal planes

:tan$($SS$/($Ex$-$Ey$))->$AnglePrincipal

$//$ Principal strains

:$($Ex$+$Ey$)/2+((($Ex$-$Ey$)/2)^2+($SS$/2)^2)->$E$1$

:$($Ex$+$Ey$)/2-((($Ex$-$Ey$)/2)^2+($SS$/2)^2)->$E$2$

$//$ Orientation of max in$-$plane shear strain

:tan$(-($Ex$-$Ey$)/$SS$)->$Angle$\_$s

$//$ Maximum in$-$plane shear strain

:$($SS$/2)+((($Ex$-$Ey$)/2)^2+($SS$/2)^2)->$ShearMax

:$($SS$/2)-((($Ex$-$Ey$)/2)^2+($SS$/2)^2)->$ShearMin

$//$ Average normal strain

:$($Ex$+$Ey$)/2->$AvgNormStrain

$//$ Radius of Mohr's Circle

:$((($Ex$-$Ey$)/2)^2+($SS$/2)^2)->$R

:Disp "NORMAL STRAIN X$\text{'}",$Ex$\text{'}$

:Disp "NORMAL STRAIN Y$\text{'}",$Ey$\text{'}$

:Disp "SHEAR STRAIN'",SS$\text{'}$

:Disp "PRINCIPAL ANGLE",AnglePrincipal

:Disp "PRINCIPAL STRAIN $1",$E$1$

:Disp "PRINCIPAL STRAIN $2",$E$2$

:Disp "MAX SHEAR ANGLE",Angle$\_$s

:Disp "MAX SHEAR",ShearMax

:Disp "MIN SHEAR",ShearMin

:Disp "AVERAGE NORM STRAIN",AvgNormStrain

:Disp "RADIUS MOHR CIRCLE",R