#include <stdio.h>
 
int main() {
	int a,b,c;
	scanf("%d %d %d",&a
, &b
, &c
); 	if (a+b>c && a+c>b && b+c>a) {
		if (a==b && a==c) {
		} else if ((a==b && a!=c) || (a==c && a!=b) || (c==b && a!=c)) {
		} else if ((a*a + b*b == c*c) || (c*c + b*b == a*a) || (a*a + c*c == b*b)) {
		} else {
		}
	}
	return 0;
}
 
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