#include <stdio.h>
long long binhPhuong(long long n) {
return n * n;
}
int main() {
int T;
for (int i = 0; i < T; i++) {
long long n;
printf("%lld\n", binhPhuong
(n
)); }
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+Cgpsb25nIGxvbmcgYmluaFBodW9uZyhsb25nIGxvbmcgbikgewogICAgcmV0dXJuIG4gKiBuOwp9CgppbnQgbWFpbigpIHsKICAgIGludCBUOwogICAgc2NhbmYoIiVkIiwgJlQpOwoKICAgIGZvciAoaW50IGkgPSAwOyBpIDwgVDsgaSsrKSB7CiAgICAgICAgbG9uZyBsb25nIG47CiAgICAgICAgc2NhbmYoIiVsbGQiLCAmbik7CiAgICAgICAgcHJpbnRmKCIlbGxkXG4iLCBiaW5oUGh1b25nKG4pKTsKICAgIH0KCiAgICByZXR1cm4gMDsKfQ==