python复合年利率问题

m = eval(input("现在有的钱："))
r = eval(input("复合年利率："))
n = int(input("投资年数："))
s = m
for i in range(1, n + 1):
    s = s * r
print("{}年后将有{}元".format(n, int(s)))

m = eval(input("现在有的钱："))
r = eval(input("复合年利率："))
n = int(input("投资年数："))
s = m
for i in range(1, n + 1):
    s = s * (r/100+1)
print("{}年后将有{}元".format(n, int(s)))