#include <stdio.h>

typedef char Ttree[100];

char cmptree(char* t1, char* t2) { // Porovná stromy, vrací $-1$ pro $t1 < t2$, 0 pro $t1 = t2$, 1 pro $t1 > t2$
  char lev;
  lev=0;
  do {
    if (*t1 < *t2) return -1; else
    if (*t1 > *t2) return 1; else
    if (*t1 == '(') lev++;
    if (*t1 == ')') lev--;
    t1++;t2++;
  } while (lev != 0);
  return 0;
}

void copytree(char* t1, char* t2) {  // Zkopíruje strom $t2$ na pozici $t1$
  char lev;
  lev=0;
  do {
    if (*t2 == '(') lev++;
    if (*t2 == ')') lev--;
    *t1=*t2;
    t1++;t2++;
  } while (lev != 0);
}

Ttree tmptree;

char* normalize(char* t) {  // Normalizuje strom $t$ a po skončení ukazuje za jeho konec
  char *t1,*t2;
  if (*t=='0') return t+1;
  t1=t+1;
  t2=normalize(t1)+1;
  t=normalize(t2)+1;
  if (cmptree(t1,t2)==-1) {  // je-li $t1<t2$, prohodíme je
    copytree(tmptree,t1);
    copytree(t1,t2);
    copytree(t-t2+t1,tmptree);
    *(t-t2+t1-1)=',';
  }
  return t;
}

int main(void) {
  Ttree t1,t2;
  gets(t1); gets(t2);
  normalize(t1);
  normalize(t2);
  if (cmptree(t1,t2)) printf("Nejsou isomorfní.\n");
    else printf("Jsou isomorfní.\n");
  return 0;
}