#include
#include
using namespace std;
int main() {
int p, n;
cin >> p >> n;
int niza[105];
int j = 0;
for(int i = 1; i <= 100; i++) {
int tmp = p;
int sum = 0;
while(tmp > 0) {
int cifra = tmp % 10;
sum += cifra * cifra;
tmp /= 10;
}
niza[j] = p;
j++;
p = sum;
if(i == n) {
cout << p << endl;
return 0;
}
}
int reps[100], r = 0;
for(int i = 0; i < j; i++) {
int se_povtoruva = -1;
for(int k = i + 1; k < j; k++) {
if(niza[i] == niza[k]) {
se_povtoruva = k;
break;
}
}
if(se_povtoruva != -1) {
for(int k = i; k < se_povtoruva; k++) {
reps[r] = niza[k];
r++;
}
n -= i;
break;
}
}
int ostatok = n % r;
if(ostatok == 0) {
cout << reps[r - 1] << endl;
}
else {
cout << reps[ostatok] << endl;
}
return 0;
}