tetst

#include <iostream>#include<cstring>using namespace std;int main(){    string str;    while(cin>>str){        bool dot = false;        bool word = false;        int poiDot = 0;        int poi = 0;        bool vis = false;        int ti1 = 0;        int ti2 = 0;        for(int i = 0;i<str.length();++ i){            if( str[i] =='.' ){                dot = true;                poiDot = i;                ti1++;            }            if(str[i]=='E'||str[i]=='e'){                poi = i;                word = true;                ti2++;            }            if(str[i]=='+'){                if((i+1)<=str.length()-1){                    if(str[i+1]=='+'){                        vis = true;                    }                }            }            if(str[i]=='-'){                if((i+1)<=str.length()-1){                    if(str[i+1]=='-'){                        vis = true;                    }                }            }        }        if(vis||(ti1>=2)||(ti2>=2) ){            cout<<"NO"<<endl;            continue;        }        if(!dot){            if(word){                if(poi != 0){                   int j;                    bool dot2=false;                   for(j = poi;j<str.length();++j){                        if(str[j] == '.'){                            dot2 = true;                            break;                        }                   }                   if(dot2){                        cout<<"NO"<<endl;                   }                   if(j==str.length()){                        if(poi!=str.length()-1){                            cout<<"YES"<<endl;                        }                        else                            cout<<"NO"<<endl;                   }                }else                     cout<<"NO"<<endl;            }else{                cout<<"NO"<<endl;            }        }else{            if(!word){                if( (poiDot != str.length()-1 )&&(poiDot != 0 ) ){                    cout<<"YES"<<endl;                }else                    cout<<"NO"<<endl;            }else{                int j;                bool dot2 = false;               for(j = poi;j<str.length();++j){                    if(str[j] == '.'){                        dot2 = true;                        break;                    }               }               if(dot2){                   cout<<"NO"<<endl;               }               if(j==str.length()){                    if(poi!=str.length()-1){                        if( (poiDot+1) != poi ){                            cout<<"YES"<<endl;                        }else                             cout<<"NO"<<endl;                    }                    else                        cout<<"NO"<<endl;               }            }        }    }    return 0;}