Dear R helpers

Suppose,

x = c(0,  1,  2,  3)

y = c("A", "B", "C", "D")

z = c(1, 3)

For given values of z, I need to the values of y. So I should get "B" and "D". 

I tried doing 

y[x][z] but it gives 

> y[x][z]
[1] "A" "C"

Kindly guide.

Regards

Vincy



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