sr = 'ABCDEFGHIJKEMNOPQRSTUVWXYZ'
def check(s):
    a = []
    for i in s:
        a.append(sr.index(i)+1)
    return a
hx = input('')
dy = input('')
ahx = check(hx)
ady = check(dy)
jahx = 1
jady = 1
for i in range(len(ahx)):
    jahx *=int(ahx[i])
for i in range(len(ady)):
    jady *=int(ady[i])
if jahx % 47 == jady % 47:
    print('GO')
else:
    print('STAY')