In a magic show, after giving James, one of the audience, a calculator, the magician asks James to write his birthday and calculate according to the following steps:  $$\left( 1 \right)$$ Multiply the number of the month of his birth by $4$.  $$\left( 2 \right)$$ Add $$1$$ to the result.  $$\left( 3 \right)$$ Multiply the result by $50$.  $$\left( 4 \right)$$ Add the number of the day of his birth to the result twice.  $$\left( 5 \right)$$ Subtract $50$ from the result.  If James\textquotesingle~result is $1234$, do you know his birthday? 
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