powers of any natural number

#include <stdio.h>
#include <stdlib.h>
int power1 (int, int);
int main(void)
{
    int w, x, n;
    printf("Program calculates the power of integer number for the natural exponent\n\n");
    printf("Give the powered number and the exponent");
    scanf("%d %d", &x ,&n);
    w = power1(x,n);
    printf("Number %d square %d to %d\n ", x, n, w);
    return 0;
}
int power1(int x, int n)
{
    int z,m,y;
    z = x;
    y = 1;
    m = n;
    while(m!=0)
    {
        //x^n = u*z^m and m>0
        if(m%2==1) y= y*z;
        m=m/2;
        z=z*z;
    }
    //y=x^n
    return y;
}