做业，求帮我看看，救救孩子吧

string = input(">>>")
pos =  string.find(" ")
k = int(string[:pos])
s = string[pos+1:]

print(s[:k])

a = input("")
b = a.find(" ")
c = int(a[0:b])
for i in range(c+1):
    print(a[b+i],end="")