void abort() { };

                                                                       
                                                  
                                                                             
                                                                   
                                                  
                                                                             
                                                                              
                                                                             

                                                                                                                                                               
                        
void assume_abort_if_not(int cond) {
  if(!cond) {abort();}
}
/*@ 
    requires ((cond != 0)) && (cond != 0);
    ensures ((cond != 0)) && (1);
@*/
void __VERIFIER_assert(int cond) {
  if (!(cond)) {
      ERROR: {/*@ assert(0); */;abort();}
  }
  return;
}
int __VERIFIER_nondet_int();
int main() {
    int a = __VERIFIER_nondet_int();
    int b = __VERIFIER_nondet_int();
    int res, cnt;
    if (!(a <= 1000000)) return 0;
    if (!(0 <= b && b <= 1000000)) return 0;
    res = a;
    cnt = b;
/*@
loop invariant (((res <= ((long long) b + a)) && (((long long) cnt + res) == ((long long) b + a))));
@*/
    while (cnt > 0) {
 cnt = cnt - 1;
 res = res + 1;
    }
    __VERIFIER_assert(res == a + b);
    return 0;
}