题解 | #特殊乘法#
特殊乘法
https://www.nowcoder.com/practice/a5edebf0622045468436c74c3a34240f
while True:
try:
a,b=input().strip().split()
sum=0
for i in range(len(a)):
for j in range(len(b)):
sum+=int(a[i])*int(b[j])
print(sum)
except EOFError:
break
