name="stef"
newname=name.capitalize()
print(newname)

prefixes = "JKLMNOPQ"
suffix = "ack"

#for p in prefixes:
#    if p=="O" or p=="Q":
#        print(p+"u"+suffix)
#    else:
#        print(p+suffix)

greeting="Hello,world"
greeting="J"+greeting[1: ]
print(greeting)

