#include <iostream>
#include <cstring>
#include <algorithm>

using namespace std;

int in[6],out[6];

int main() {
	ios_base::sync_with_stdio(0);
	while (1) {
		int n;
		cin>> n;
		if (n==0)
			return 0;
		for (int i=0; i<n; i++)
			cin>>in[i]>>out[i];
		if (n==1) {
			cout<<"POP\n"
				<<"NUM "<<out[0]<<endl
				<<"END\n\n";
			continue;
		}
		for (int i=0; i<n; i++)
			cout<<"DUP\n";
		cout<<"NUM 0\n"
			<<"SWP\n";
		for (int i=0; i<n; i++) {
			for (int j=2; j<n; j++)
				cout<<"DUP\n";
			for (int j=0, b=0; j<n; j++){
				if (j==i)
					continue;
				if (b!=0) {
					cout<<"SWP\n"
						<<"NUM "<<in[j]<<endl;
					cout<<"SUB\n"
						<<"MUL\n";
				} else {
					cout<<"NUM "<<in[j]<<endl;
					cout<<"SUB\n";
					b=1;
				}
			}
			int sum=1;
			for (int j=0; j<n; j++) {
				if (j==i)
					continue;
				sum*=in[i]-in[j];
			}
			cout<<"NUM "<<sum<<endl
				<<"DIV\n"
				<<"NUM "<<out[i]<<endl
				<<"MUL\n"
				<<"ADD\n"
				<<"SWP\n";
		}
		cout<<"POP\n"
			<<"END\n\n";
	}
}