program main
implicit none
character(len=100) :: string,string1
integer :: strlen, i,k=0
write(*,*) "请输入一个字符串(长度从1到100):"
read(*,*) string
strlen=len_trim(string)
ms:do i=1,strlen,1
if(string(i:i) == '') then
cycle ms
else
k=k+1
string1(k:k)=string(i:i)
end if
end do ms
write(*,*) strlen,string1
stop
END