compar

#include <fstream>
#include <stack>
using namespace std;
ifstream cin("compar.in");
ofstream cout("compar.out");
int v[100001];
char s[100001];
int main()
{
    int i,j,cnt=1;
    string s2;
    cin>>s2;
    cout<<s2.size()+1<<"\n";
    for(i=2;i<=2*s2.size();i++){
        s[i]=s2[i/2-1];
    }
    i=1;
    while(i<=2*s2.size()+1){
        while(i<=2*s2.size()+1 && (s[i-1]!='>'||s[i+1]!='<'))
            i+=2;
        if(i<=2*s2.size()+1){
            s[i]=cnt;
            cnt++;
            j=i-2;
            while(j>=1 && s[j+1]=='>'){
                s[j]=cnt;
                cnt++;
                j-=2;
            }
            j=i+2;
            while(j<=2*s2.size()+1 && s[j-1]=='<'){
                s[j]=cnt;
                cnt++;
                j+=2;
            }
        }
        i+=2;
    }
    for(i=1;i<=2*s2.size()+1;i+=2)
        cout<<(int)s[i]<<" ";
    return 0;
}