#include <stdio.h>
#include <ctype.h>

#define NR_CIFRE 30

void citire(char* nr) {
  int n = 0;
  do {
    scanf("%c", &nr[n]);
  } while (!isdigit(nr[n]));
  do {
    n++;
    scanf("%c", &nr[n]);
  } while (isdigit(nr[n]));
  int i;
  for (i = 0; i < n; i++) {
    nr[i] -= '0';
  }
  for (i = 0; 2 * i < n; i++) {
    //nr[i] ^= nr[n - i - 1] ^= nr[i] ^= nr[n - i - 1];
    int aux = nr[i];
    nr[i] = nr[n - i - 1];
    nr[n - i - 1] = aux;
  }
  nr[n] = -1;
}

void afisare(char* nr) {
  int i = 0;
  while (nr[i] != -1) {
    i++;
  }
  //assert(nr[i] == -1);
  for (i--; i >= 0; i--) {
    printf("%d", nr[i]);
  }
}

void adunare(char* const a, char* const b, char* suma) {
  //suma = a + b
  int i = 0;
  suma[i] = 0;
  while (a[i] != -1 && b[i] != -1) {
    suma[i] += a[i] + b[i];
    if (suma[i] >= 10) {
      suma[i + 1] = 1;
      suma[i] -= 10;
    } else {
      suma[i + 1] = 0;
    }
    i++;
  }
  if (a[i] != -1) {
    while (a[i] != -1) {
      suma[i] += a[i];
      if (suma[i] >= 10) {
        suma[i + 1] = 1;
        suma[i] -= 10;
      } else {
        suma[i + 1] = 0;
      }
      i++;
    }
  } else {
    while (b[i] != -1) {
      suma[i] += b[i];
      if (suma[i] >= 10) {
        suma[i + 1] = 1;
        suma[i] -= 10;
      } else {
        suma[i + 1] = 0;
      }
      i++;
    }
  }
  if (suma[i] == 0) {
    suma[i] = -1;
  } else {
    suma[i + 1] = -1;
  }
  //suma[i + (suma[i] != 0)] = -1;
}

void scadere(char* const a, char* const b, char* diferenta) {
  //assert(a >= b);
  //diferenta = a - b
  int i = 0;
  diferenta[i] = 0;
  while (a[i] != -1 && b[i] != -1) {
    diferenta[i] += a[i] - b[i];
    if (diferenta[i] < 0) {
      diferenta[i + 1] = -1;
      diferenta[i] += 10;
    } else {
      diferenta[i + 1] = 0;
    }
    i++;
  }
  while (a[i] != -1) {
    diferenta[i] += a[i];
    if (diferenta[i] < 0) {
      diferenta[i + 1] = -1;
      diferenta[i] += 10;
    } else {
      diferenta[i + 1] = 0;
    }
    i++;
  }
  while (i > 1 && diferenta[i - 1] == 0)
    i--;
  diferenta[i] = -1;
}

//nr1 = 12
//nr2 = 12
//char nr1[] = {4, 3, 2, 1, -1};
//char nr2[] = {7, 6, 6, -1};
//char sum[] = {1, 0, 9, 0};

char nr1[NR_CIFRE];
char nr2[NR_CIFRE];
char suma[NR_CIFRE];
char diferenta[NR_CIFRE];

int main() {
  freopen("adunare.in", "r", stdin);
  freopen("adunare.out", "w", stdout);
  citire(nr1);
  citire(nr2);
  adunare(nr1, nr2, suma);
  scadere(nr1, nr2, diferenta);
  afisare(suma);
  printf("\n");
  afisare(diferenta);
  return 0;
}