#include <stdio.h>
int go(int n){
	if(n<=0){
		return 0;
	}
	int a,i;
a=n;
n=n*n;
for(i=10;i>a;i*=10){
 
		if(n%i==a){
		return n+go(n-1);
		}else
		return go(n-1);
 
}
 
	}
 
int main(void) {
	return 0;
}
 
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