Evelyn Boyd Granville worked on the Mercury and Vanguard space programs when working

Evelyn Boyd Granville worked on the Mercury and Vanguard space programs when working at NASA. Create a program that asks the user whether they want to know about the Mercury space program or the Vanguard space program, and outputs the respective start dates of these programs. The Mercury space program started in 1958. The Vanguard space program started in 1957. Input Format Mercury Constraints Input will either be "Mercury" or "Vanguard" Output Format 1958