[C] 백준 2475번 문제

#include <stdio.h>
#include <math.h>

int main()
{
    int num1,num2,num3,num4,num5,final;
    
    scanf("%d %d %d %d %d",&num1,&num2,&num3,&num4,&num5);
    
    final = pow(num1,2)+pow(num2,2)+pow(num3,2)+pow(num4,2)+pow(num5,2);
    
    printf("%d\n",final%10);
    return 0;
}