# coding: utf-8

ratings = list(map(int,input().split(' ')))
a = ratings[0]
b = ratings[1]

def main(a,b):
    if a < b:
        print(f"+{b-a}" )
    elif a == b:
        print(0)
    else:
        print(b-a)


if __name__ == '__main__':
    main(a,b)