|시간 제한||메모리 제한||제출||정답||맞힌 사람||정답 비율|
|2 초 (추가 시간 없음)||1024 MB||129||95||77||80.208%|
"2" + "2" - "2" evaluates to
NaN (Not-a-Number) if the string does not represent a number. If any operand of a minus operation is NaN, then the result of the operation must be
NaN. For example,
"a" + "2" is
Given two strings
y, please write a program to compute the result of
There is only one line containing two space-separated non-empty strings
Print the result of the minus operation (
x - y) on one Line. If the result is an integer, please print it without the decimal point. If the result is not a number, please print
yconsist of only English letters and digits.
xand y have lengths less than 6.