a,b,c=map(str,input().split()) 
if int(a)+int(b)==int(c): 
    print('{}+{}={}'.format(a,b,c)) 
elif int(a)-int(b)==int(c): 
    print('{}-{}={}'.format(a,b,c)) 
elif int(a) * int(b)==int(c): 
    print('{}*{}={}'.format(a,b,c)) 
else: 
    print('{}/{}={}'.format(a,b,c))