#test file
#import trs
name=input()
print("hello") 
print("Hello,%s"%(name) )
print("Hello,".join(name))
print("Hello," + name)
print(trs("welcome"))
#print(trs.trs("welcome"))
print('Hello,world!')
print(trs("welcome",99))
print(trs("welcome",102,"欢迎"))
