#include <cstdio>


using namespace std;


int v[100], r[100];


void gsum(int n,int i){
  for(int k=2;k<n;k++){
    printf("DUP\n");
  }
  int j=0;
  while(j==i){
    j++;
  }
  printf("NUM %d\n",v[j]);
  printf("SUB\n");
  j++;
  while(j<n){
    if(j!=i){
      printf("SWP\n");
      printf("NUM %d\n",v[j]);
      printf("SUB\n");
      printf("MUL\n");
    }
    j++;
  }
  for(j=0;j<n;j++){
    if(j!=i){
      printf("NUM %d\n",v[i]);
      printf("NUM %d\n",v[j]);
      printf("SUB\n");
      printf("DIV\n");
    }
  }
  printf("NUM %d\n",r[i]);
  printf("MUL\n");
}

void generate(int n){
  if(n==1){
    printf("POP\n");
    printf("NUM %d\n",r[0]);
  }else{
    for(int i=1;i<n;i++){
      printf("DUP\n");
    }
    gsum(n,0);
    for(int i=1;i<n;i++){
      printf("SWP\n");
      gsum(n,i);
      printf("ADD\n");
    }
  }
  printf("END\n");
}

int main(){

  while(true){
    int n;
    scanf("%d",&n);

    if(n==0){
      return 0;
    }
    for(int i=0;i<n;i++){
      scanf("%d %d",&(v[i]),&(r[i]));
    }
    generate(n);
    printf("\n");

  }

  return 0;
}