#include <stdio.h>

 #include <string.h>

 #define MAXNUM 1005

 char in[MAXNUM];

 char out[MAXNUM];

 char stack[MAXNUM];

 char order[MAXNUM]; // 1:in, 0:out

 int main() {

     int n;

     int i, j, k, tmp, flg;

     int top;

     while (scanf("%d %s %s", &n, in, out) != EOF) {

         top = k = ;

         for (i=; in[i]!=out[]&&i<n; ++i) {

             stack[top++] = in[i];

             order[k++] = ;

         }

         tmp = i+;

         order[k++]=; order[k++]=;

         flg = ;

         for (i=; i<n; ++i) {

             if (top) {

                 if (stack[top-] == out[i]) {

                     --top;

                     order[k++] = ;

                     continue;

                 }

                 for (j=; j<top-; ++j) {

                     if (stack[j] == out[i]) {

                         printf("No.\nFINISH\n");

                         flg = ;

                         break;

                     }

                 }

             }

             if (flg)

                 break;

             for (j=tmp; in[j]!=out[i]&&j<n; ++j) {

                 stack[top++] = in[j];

                 order[k++] = ;

             }

             tmp = j+;

             order[k++]=; order[k++]=;

         }

         if (flg)

             continue;

         printf("Yes.\n");

         for (i=; i<k; ++i)

             if (order[i])

                 printf("in\n");

             else

                 printf("out\n");

         printf("FINISH\n");

     }

     return ;

 }