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