45008
It has exceptional stiffness ( Young 's modulus 287 GPa ) and a melting point of 1287 C. The modulus of elasticity of beryllium is approximately 50 % greater than that of steel .
 Young
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Young