#include <iostream>
#include <cstdio>
#include <iomanip>
#include <string>
#include <cstdlib>
#include <cstring>
#include <queue>
#include <set>
#include <vector>
#include <map>
#include <algorithm>
#include <cmath>
#include <stack>
#define INF 0x3f3f3f3f
#define LINF 0x3f3f3f3f3f3f3f3f
#define ll long long
#define ull unsigned long long
#define uint unsigned int
using namespace std;
void solve(int n) {
char name[30];
scanf("%s", name);
printf("%s\n", name);
if (--n){
scanf("%s", name);
if (--n)
solve(n);
printf("%s\n", name);
}
}
int main(){
int n, t = 0;
while (scanf("%d",&n) , n) {
printf("SET %d\n", ++t);
solve(n);
}
return 0;
}