#include<stdio.h> intmain() { int n; scanf("%d", &n); int tmp[3] = {0}; int i = 0; while (n != 0) { tmp[i] = n % 10; n = n / 10; i++; } while (tmp[2]--) { printf("B"); } while (tmp[1]--) { printf("S"); } int ge = 1; while (tmp[0]--) { printf("%d", ge++); } printf("\n"); return0; }