#include <stdio.h>

int main() {
  int a,b,c;
    scanf("%d",&a);
    b=a/10;
    c=a%10;
    a=(b+c*10)*2;
    if(a>100)a=a/100;
    printf("%d\n",a);
    if(a<50)printf("GOOD");
    else printf("OH MY GOD");
}