Pythagorian Theorem

#include <stdio.h>
#include <stdlib.h>

int main()
{
    while (1)
    {
    int x,y,z;
    printf("Enter x: \n");
    scanf("%d",&x);
    printf("Enter y: \n");
    scanf("%d",&y);
    printf("Enter z: \n");
    scanf("%d",&z);
    if (x*x+y*y==z*z||y*y+z*z==x*x||x*x+z*z==y*y)
    printf("Sides of a right angle triangle!\n");
    else
        printf("Sides are not of a right angle triangle!\n");
    }
    return 0;
}