def add(a, b):
    return a + b


def subtract(a, b, c):
    return a - b - c

6b2924a70372bba3c655062d8f0b7013939a2b96
<mask token>

def add(a, b):
    return a + b


<mask token>

def add(a, b):
    return a + b


def subtract(a, b, c):
    return a - b - c
