#include <stdio.h>
#include <stdlib.h>
int main(){
int number[5] = {0,};
int sum = 0;
int result = 0;
for(int i = 0; i < 5; i++){
sum += number[i] * number[i];
}
result = sum % 10;
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CiNpbmNsdWRlIDxzdGRsaWIuaD4KCmludCBtYWluKCl7CiAgICBpbnQgbnVtYmVyWzVdID0gezAsfTsKICAgIGludCBzdW0gPSAwOwogICAgaW50IHJlc3VsdCA9IDA7CiAgICAKICAgIHNjYW5mKCIlZCAiLCBudW1iZXIpOwoKICAgIGZvcihpbnQgaSA9IDA7IGkgPCA1OyBpKyspewogICAgICAgIHN1bSArPSBudW1iZXJbaV0gKiBudW1iZXJbaV07CiAgICB9CgogICAgcmVzdWx0ID0gc3VtICUgMTA7CiAgICBwcmludGYocmVzdWx0KTsKICAgIHJldHVybiAwOwp9Cg==