import sys
    
def read_until_minus_one():
        buf = []
        seen_minus = False
        while True:
            char = sys.stdin.read(1) 
            if not char: # EOF
                break 
            if char == '1' and seen_minus:
                buf.pop() # chop the last minus
                break # seen -1
            else:
                seen_minus = (char == '-')
                buf.append(char)
        return ''.join(buf)

print(read_until_minus_one())