# your code goes here
l = 15
m = 50

def nwd(a, b):
    while a != b:
        if a > b:
            a = a - b
        elif a < b:
            b = b - a
    return a

a = nwd(l, m)

l - l // a
m - m // a

print(l)
print("-")
print(m)