#include <cstdio>
#include <cstdlib>
#include <cerrno>
#define MAX_LONG 0x7fffffff

int main() {
    #ifndef ONLINE_JUDGE
    freopen("sample.txt", "r", stdin);
    #endif
    char l[512], *p;
    int a, b;
    char op, ov;
    while ((p = gets(l)) != NULL) {
          ov = 0;
          puts(l);
          a = strtol(p, &p, 10);
          if (errno == ERANGE) fputs("first number too big\n", stdout), ov = 1, errno = 0;
          op = *(++p);
          b = strtol(p + 1, NULL, 10);
          if (errno == ERANGE) fputs("second number too big\n", stdout), ov = 1, errno = 0;
          if (ov) {
             if (op == '+' || (a && b)) fputs("result too big\n", stdout);
          } else {
            if ((op == '+' && a + b < 0) || (op == '*' && (long long) a * b > MAX_LONG)) fputs("result too big\n", stdout);
          }

    }
    return 0;
}