#include <stdio.h> #include <stdlib.h> int isAnum(int N){ int num=N*N; while(N>0){ if(N%10!=num%10){ return 0; } num=num/10; N=N/10; } return 1; } int main(){ int N; scanf("%d",&N); if(N>100||N<2){ exit(0); } if(isAnum(N)){ printf("Yes!"); } else{ printf(...

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