#include <cstdio>
#include <cstring>
using namespace std;

int b[42], c[42];

int main() {
	while (1) {
		int n;
		scanf("%d", &n);
		if (!n) break;
		for (int i = 0; i < n; ++i) {
			scanf("%d %d\n", &b[i], &c[i]);
		}
		if (n == 1) {
			printf("POP\nNUM %d\nEND\n\n", c[0]);
		} else {
			for (int j = 0; j < n-1; ++j) printf("DUP\n");
			// x(n-1)
			printf("NUM 0\n");
			// x(n-1) FINAL=0
			for (int i = 0; i < n; ++i) {
				printf("SWP\n");
				// x...x FINAL x
				for (int j = 0; j < n-2; ++j) printf("DUP\n");
				// x...x FINAL x(n-2)
				printf("NUM 1\n");
				// x...x FINAL x(n-2) RES=1
				for (int j = 0; j < n; ++j) {
					if (i == j) continue;
					printf("SWP\n");
					// x...x FINAL x...x RES x
					printf("NUM %d\n", b[j]);
					// ...RES x A
					printf("SUB\n");
					// ...RES (x-A)
					printf("MUL\n");
					// x...x FINAL x...x RES
				}
				// x...x FINAL RES
				printf("NUM 1\n");
				// x...x FINAL RES MEN=1
				for (int j = 0; j < n; ++j) {
					if (i == j) continue;
					// x...x FINAL RES MEN
					printf("NUM %d\n", b[i]);
					printf("NUM %d\n", b[j]);
					// x...x FINAL RES MEN B A
					printf("SUB\n");
					printf("MUL\n");
					// x...x FINAL RES MEN
				}
				// x...x FINAL RES MEN
				printf("DIV\n");
				// x...x FINAL PODIEL=0/1
				printf("NUM %d\n", c[i]);
				// x...x FINAL PODIEL C
				printf("MUL\n");
				// x...x FINAL CUR
				printf("ADD\n");
				// x...x FINAL
			}
			printf("END\n\n");
		}
	}
	return 0;
}