#include <stdio.h> #include <stdlib.h> int shuhe(int n) { int sum=0; while(n) { sum+=n%10; n/=10; } return sum; } int main() { int n=1; while(n!=0) { scanf("%d",&n); if(n<=0||n>=40000) continue; printf("%d %d\n",shuhe(n),shuhe(n*n)); } return 0; }