ex2 lab LSD

def masa_moleculara(c, h, o):
    return c * 16 + h + o * 12

if __name__ == "__main__":
    c = int(input("c="))
    h = int(input("h="))
    o = int(input("o="))

    print("masa: %d" % (masa_moleculara(c, h, o)))