#include <fstream>
#include <cassert>
#include <string>

ifstream in("hard.in");

int main () {
  assert(in);
  string s;
  while (getline(in,s)) {
    if (s=="0+0=0") {
      cout << "True" << endl; return 0;
    }
    int a[3];
    a[0]=a[1]=a[2]=0;
    int j=0, f=1;
    int n=s.length();
    for (int i=0; i<n; i++) {
      if (s[i]=='+' || s[i]=='=') {
	f=1; j++;
	assert(j<3);
      } else {
	a[j] += f * (s[i]-'0');
	f*=10;
      }
    }
    cout << (a[0]+a[1]==a[2] ? "True" : "False") << endl;
  }
}