<gh_stars>0
#!/bin/python3

import sys
S = input().strip()
try:
    a = int(S)
    print(a)
except ValueError:
    print("Bad String")

#!/bin/python3

import sys
S = input().strip()
try:
    a = int(S)
    print(a)
except ValueError:
    print("Bad String")
#!/bin/python3