#includeusing namespace std; int main() {int a; cin>>a; if(a>90)cout<<"A"; else if(a>80)cout<<"B"; else if(a>70)cout<<"C"; else if(a>=60)cout<<"D"; else cout<<"E"; return 0; }
#includeusing namespace std; int main() {int a; cin>>a; if(a>90)cout<<"A"; else if(a>80)cout<<"B"; else if(a>70)cout<<"C"; else if(a>=60)cout<<"D"; else cout<<"E"; return 0; }
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