#include <stdio.h>
#include <stdlib.h>

int main(){

    int x;

    scanf("%d",&x);

    if (x < 1200){
        printf("ABC\n");
        printf("Smeke's current rating is less than 1200, thus the output should be ABC.");
    }
    else{
        printf("ARC");
        printf("\nSmeke's current rating is not less than 1200, thus the output should be ARC.")
    }

    return 0;
}
