11854

#include <stdio.h>
int main()
{
    int a, b, c;
    while (scanf("%d %d %d", &a, &b, &c) == 3)
    {
        if (a == 0 && b == 0 && c == 0)
            break;
        if (a <= 0 || b <= 0 || c <= 0)
            printf("wrong\n");
        else if (a * a == b * b + c * c)
            printf("right\n");
        else if (b * b == a * a + c * c)
            printf("right\n");
        else if (c * c == a * a + b * b)
            printf("right\n");
        else
            printf("wrong\n");
    }
    return 0;
}