#include<stdio.h>
int main()
{
int score;
scanf("%d",&score);
if(90<=score&&score<=100)
{
printf("Perfect");
}
return 0;
}
#include<stdio.h>
int main()
{
int score;
scanf("%d",&score);
if(90<=score&&score<=100)
{
printf("Perfect");
}
return 0;
}