title: Multiply An Integer With 3 5
signature: multiply_an_integer_with_3_5 <- function(x) {
source_py: def multiply_an_integer_with_3_5(x):
      return (((x << 1) + x) + (x >> 1))
source_cpp: int multiply_an_integer_with_3_5(int x) {
    return ( x << 1 ) + x + ( x >> 1 );
  }