#include
int main(){
int x;
scanf("%d",&x);
if(x>=90){
printf(“A”);
}else if(x>=80){
printf(“B”);
}else if(x>=70){
printf(“C”);
}else if(x>=60){
printf(“D”);
}else {
printf(“E”);
}
return 0;
}
#include
int main(){
int x;
scanf("%d",&x);
if(x>=90){
printf(“A”);
}else if(x>=80){
printf(“B”);
}else if(x>=70){
printf(“C”);
}else if(x>=60){
printf(“D”);
}else {
printf(“E”);
}
return 0;
}
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