[class2] (백준 4153) 직각삼각형

#include <stdio.h>
int main()
{
    int len[3];
    int temp;
    while(1)
    {
        scanf("%d %d %d",&len[0],&len[1],&len[2]);
        if(len[0]==0&&len[1]==0&&len[2]==0)
            break;
        
        for(int i = 0;i<2;i++)
        {
            for(int j =0;j<2;j++)
            {
                if(len[j]>len[j+1])
                {
                    temp = len[j];
                    len[j] = len[j+1];
                    len[j+1] = temp;
                }
            }
        }
        
        if(len[0]*len[0] + len[1]*len[1] == len[2]*len[2])
        {
            printf("right\n");
        }
        else
        {
            printf("wrong\n");
        }
        
    }
    return 0;
}