#include <iostream> using namespace std; int A,B,C,a,b,c; int main() { cin>>A>>B; while(A>0) { a*=10; a+=A%10; A/=10; } while(B>0) { b*=10; b+=B%10; B/=10; } C=a+b; while(C>0) { c*=10; c+=C%10; C/=10; } cout<<c; }