/*
#include <stdio.h>
int main()
{
int a, b, c;
scanf("%d %d %d", &a, &b, &c);
if(a<(b-c))
{
printf("advertise");
}
else if(a>(b-c))
{
printf("do not advertise");
}
else if(a==(b-c))
{
printf("does not matter");
}
return 0;
}
*/
/*
1 / 2 = 0 ... 1
3 / 4 = 0 ... 3
*/
/*
#include<stdio.h>
int main()
{
int a, b, c, d;
scanf("%d %d %d %d", &a, &b, &c, &d);
if((double)a/b>(double)c/d)
{
printf(">");
}
else if((double)a/b==(double)c/d)
{
printf("=");
}
else if((double)a/b<(double)c/d)
{
printf("<");
}
return 0;
}
*/
/*
#include<stdio.h>
int main()
{
int a;
scanf("%d", &a);
if(a%10==1 && a != 11)
{
printf("%dst", a);
}
else if(a%10==2 && a != 12)
{
printf("%dnd", a);
}
else if(a%10==3 && a != 13)
{
printf("%drd", a);
}
else if(a==11 || a==12 || a==13)
{
printf("%dth", a);
}
else
{
printf("%dth", a);
}
return 0;
}
*/