/*
TASK:risc
LANG:C++
*/
#include <stdio.h>

int main()
{
    int n;
    int _br = 8;
    scanf("%d",&n);
    if (n > 3) _br += 3;
    printf("%d\n?\nB\n+\n+\n+\n+\n+\nLOOP",_br);
    if (n > 3)
      printf("\n+\n+\nA");
    scanf("%d",&n);
}
