*
#include <stdio.h>
int main()
{
int a,s,d;
scanf("%d %d %d",&a,&s,&d);
if((s-a)>d){
printf("advertise");
}
else if((s-a)<d){
printf("do not advertise");
}
else{
printf("does not matter");
}
}
*/
/*
#include <stdio.h>
int main()
{
double height, weight, stdWeight, fatRate;
scanf("%lf %lf", &height, &weight);
if(height < 150) {
stdWeight = (height - 100);
}
else if(height >= 150 && height <160) {
stdWeight = (((height - 150)/2) + 50);
}
else {
stdWeight = ((height-100) * 0.9);
}
fatRate = (((weight-stdWeight) * 100) / stdWeight);
if(fatRate <= 10) {
printf("정상");
}
else if(fatRate >10 && fatRate <= 20){
printf("과체중");
}
else{
printf("비만");
}
return 0;
}
*/
/*
#include<stdio.h>
int main()
{
int a, b;
char c;
scanf("%d%c%d",&a, &c, &b);
if (c=='+'){
printf("%d",a+b);
}
else if(c=='-'){
printf("%d",a-b);
}
else if(c=='*'){
printf("%d",a*b);
}
else{
printf("%.2f",(float)a/b);
}
}
*/
/*
#include<stdio.h>
int main()
{
double a,b,c,d,x,y;
scanf("%lf %lf %lf %lf",&a,&b,&c,&d);
x = (a/b);
y = (c/d);
if(x>y){
printf(">");
}
else if(x==y){
printf("=");
}
else if(x<y){
printf("<");
}
}
*/