#include using namespace std; int main(void){ string S; int count=0; cin>>S; int len=S.length(); string reg,sym; reg="1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"; int l_r=reg.length(); for(int i=0;i=32||len==0){ count++; } if(count>0){ printf("400"); break; } if(i==0||i==len-1){ if((S[i]=='_')||(S[i]=='-')){ count++; } } for(int j=0;j