#include
void main()
{
int a;
scanf("%d",&a);
switch(a)
{
case 10:
case 9: printf("(90~100)n");break;
case 8:printf("(80~89)n");break;
case 7:printf("(70~79)n");break;
case 6:printf("(60~69)n");break;
case 5:
case 4:
case 3:
case 2:
case 1:
case 0:printf("(0~59)n");break;
default: printf("ERRORn");break;
}
}